Federal — Cost & Pricing

The Cost Accounting Standards (CAS) apply to most negotiated contracts under FAR Part 30 and the CAS Board regulations at 48 C.F.R. Chapter 99, but the type of coverage — full or modified — turns on dollar thresholds measured both at the contract level and the business-unit level. The distinction matters because full coverage requires compliance with all nineteen CAS in 48 C.F.R. Part 9904, while modified coverage requires compliance with only four standards. Effective July 1, 2026, the thresholds have been substantially raised by Section 1806 of the National Defense Authorization Act for Fiscal Year 2026 (Pub. L. 119-60, signed December 18, 2025), which doubled the full-coverage threshold from $50 million to $100 million and raised the basic CAS applicability threshold from $2.5 million to $35 million. Practitioners must apply the correct thresholds based on when the contract is entered into: contracts entered into on or before June 30, 2026 are governed by the prior thresholds, while contracts entered into after June 30, 2026 are governed by the new statutory thresholds.

Full CAS coverage — $100 million threshold for contracts entered after June 30, 2026. Under Section 1806(a) of the FY 2026 NDAA, the threshold for full CAS coverage is increased from $50 million to $100 million, subject to adjustments for inflation. The NDAA directs the Administrator for Federal Procurement Policy to amend the regulations at 48 C.F.R. § 9903.201-2 to implement this increase within 180 days (by June 16, 2026), and directs the Secretary of Defense to amend the Defense Federal Acquisition Regulation Supplement (DFARS) within 120 days (by April 17, 2026). On March 20, 2026, the Cost Accounting Standards Board published a proposed rule at 91 Fed. Reg. 13559 (Docket 2026-05511) to implement the statutory changes, with a comment period closing April 20, 2026. Under the new framework, full CAS coverage applies to a contractor business unit that either: (1) receives a single CAS-covered contract award of $100 million or more (for contracts entered into after June 30, 2026), or (2) received $100 million or more in net CAS-covered awards during its preceding cost accounting period. The $100 million threshold is statutory and subject to periodic inflation adjustment under the NDAA. A business unit subject to full coverage must comply with all CAS specified in 48 C.F.R. Part 9904 that are in effect on the date of contract award, and with any CAS that later become applicable because of subsequent CAS-covered contract awards. The contracting officer inserts FAR clause 52.230-2, Cost Accounting Standards, in contracts subject to full coverage per FAR 30.201-4(a); that clause obligates the contractor to submit a Disclosure Statement (CASB Form DS-1 or DS-2, depending on segment size) and to follow disclosed practices consistently.

For contracts entered into on or before June 30, 2026, the prior $50 million threshold continues to apply. Under the transitional rule in Section 1806(a) of the FY 2026 NDAA, contracts entered into on or before June 30, 2026, remain subject to the prior $50 million full-coverage threshold codified at 48 C.F.R. § 9903.201-2(a) (before the statutory amendments take effect). The same two-prong test applies: a business unit is subject to full coverage if it receives a single CAS-covered contract of $50 million or more, or if it received $50 million or more in net CAS-covered awards during the preceding cost accounting period. The date the contract is entered into (ordinarily the date of contract execution or the date specified in the contract for commencement of the contractor's obligation to perform) controls which threshold applies, not the date the solicitation was issued or the date the proposal was submitted.

Modified CAS coverage — $35 million contract threshold for contracts entered after June 30, 2026, decoupled from TINA. Section 1806(d) of the FY 2026 NDAA raises the contract-level threshold for mandatory CAS applicability from $2.5 million (the threshold in effect before the NDAA, which was tied to the TINA threshold under 41 U.S.C. § 1502) to $35 million. This fundamentally restructures the CAS applicability framework: the new $35 million threshold is no longer tied to the TINA threshold (which was separately raised to $10 million for contracts entered into after June 30, 2026 under Section 1804(c) of the NDAA, as reflected in the TINA section of this guide). The practical effect is that modified CAS coverage now applies to business units that receive negotiated CAS-covered contracts at or above $35 million but that do not meet the $100 million threshold for full coverage. Under the prior regime, a contractor's first CAS-covered contract (the "trigger contract") had to exceed $7.5 million to trigger CAS coverage for that contractor, and subsequent contracts exceeding the (inflation-adjusted) TINA threshold of $2.5 million would also be CAS-covered. Section 1806(d) eliminates the trigger-contract mechanism entirely: under the new framework, a contract is subject to CAS (either modified or full, depending on the business unit's net CAS-covered awards) only if the individual contract itself exceeds $35 million. Contracts below $35 million are exempt from CAS, even if the contractor has other CAS-covered contracts during the same cost accounting period.

Under 48 C.F.R. § 9903.201-2(b)(1) (as amended to implement the NDAA), modified CAS coverage requires compliance with only four standards: CAS 9904.401 (Consistency in Estimating, Accumulating, and Reporting Costs), CAS 9904.402 (Consistency in Allocating Costs Incurred for the Same Purpose), CAS 9904.405 (Accounting for Unallowable Costs), and CAS 9904.406 (Cost Accounting Period). The contracting officer inserts FAR clause 52.230-3, Disclosure and Consistency of Cost Accounting Practices, when the contract amount is $35 million or more (for contracts entered into after June 30, 2026) but the business unit does not meet the $100 million threshold for full coverage, and the offeror certifies eligibility for and elects modified coverage per FAR 30.201-4(b).

For contracts entered into on or before June 30, 2026, the prior framework (tied to TINA) continues to apply. Contracts entered into on or before June 30, 2026, remain subject to the prior CAS applicability threshold tied to the TINA threshold (which, as of the October 1, 2025 inflation adjustment published at 90 Fed. Reg. 41872, stood at $2.5 million). For such contracts, the trigger-contract mechanism (requiring a first CAS-covered contract of $7.5 million or more before other contracts exceeding the TINA threshold become CAS-covered) remains in effect, and modified coverage applies to contracts exceeding the TINA threshold but below the $50 million full-coverage threshold.

Election mechanics under modified coverage. A contractor eligible for modified coverage (i.e., received less than the applicable full-coverage threshold — $100 million for contracts entered after June 30, 2026, or $50 million for contracts entered on or before that date — in net CAS-covered awards in the prior cost accounting period) must affirmatively elect modified coverage by checking the box in Part II of the solicitation provision at FAR 52.230-1, Cost Accounting Standards Notices and Certification. The election is binding for all contracts awarded during that cost accounting period unless the contractor receives a single CAS-covered contract exceeding the full-coverage threshold, which immediately triggers full coverage going forward. Importantly, a contract retains its coverage status — full or modified — throughout its life; a later change in the contractor's annual award volume does not retroactively change the CAS clause in existing contracts, and contract modifications (no matter how large) do not alter the CAS status established at original award.

Partial contract exemptions under Section 1806(d). Section 1806(d) of the FY 2026 NDAA introduces a new partial-exemption mechanism: portions of contracts or subcontracts may be exempt from CAS even if the contract as a whole exceeds the $35 million applicability threshold, provided the exempt portion satisfies one of the exemption conditions under 41 U.S.C. § 1502(b)(1)(C). Specifically, the statute provides that portions of contracts for (i) commercial products or commercial services, (ii) items or services for which prices are set by law or regulation, or (iii) firm-fixed-price awards are exempt from CAS. The implementing regulations (to be promulgated by June 2026 per the NDAA's 180-day deadline) are expected to apply this exemption at the contract line item number (CLIN) level: a prime contract with a mix of CAS-covered and exempt CLINs would apply CAS only to the non-exempt CLINs. For example, a $50 million contract with a $40 million CLIN for commercial products and a $10 million CLIN for non-commercial services would be exempt from CAS on the $40 million commercial CLIN, but the $10 million non-commercial CLIN may still be subject to CAS if the contractor's business unit otherwise meets the coverage criteria. Practitioners should monitor the final implementing regulations at 48 C.F.R. § 9903.201-2 and the FAR for the precise mechanics of the partial-exemption rule.

Exemptions (unchanged by the NDAA). Certain contract types remain categorically exempt from all CAS requirements even if they exceed the dollar thresholds. Under 48 C.F.R. § 9903.201-1(b), exemptions include: sealed-bid contracts; contracts with small businesses (as defined in FAR Part 19); contracts with foreign governments or their agents; contracts for commercial items under FAR Part 12; and firm-fixed-price contracts awarded on the basis of adequate price competition without submission of certified cost or pricing data. (Note that the NDAA's partial-exemption rule for firm-fixed-price portions of contracts is in addition to the existing categorical exemption for FFP contracts awarded on the basis of adequate price competition; the partial exemption applies to FFP CLINs within an otherwise flexibly-priced contract.) Educational institutions and FFRDCs are subject to special rules in 48 C.F.R. § 9903.201-2(c).

Transition and implementation timeline. The FY 2026 NDAA was signed into law on December 18, 2025. Section 1806(a) directs the Administrator for Federal Procurement Policy to amend 48 C.F.R. § 9903.201-2 within 180 days (by June 16, 2026), and Section 1806(d) directs implementation of the $35 million threshold and partial-exemption rules no later than 180 days after enactment. The proposed rule published March 20, 2026 at 91 Fed. Reg. 13559 reflects the government's initial implementation approach; contractors should review the final rule (expected by June 2026) for the precise regulatory text. Both the statutory text and the proposed rule make clear that the new thresholds apply to contracts entered into after June 30, 2026; the June 30, 2026 cutoff is the statutory transition date established by Congress in Section 1806, and it aligns with the parallel TINA threshold increase under Section 1804(c) of the NDAA.

Impact on contractors and planning considerations. The threshold increases substantially reduce the number of contractors subject to CAS. According to the Office of Management and Budget, the changes are expected to provide relief from CAS for approximately half of currently covered entities, while retaining coverage over 90 percent of the dollar value of CAS-covered work. Contractors that were previously subject to full coverage solely because they received a single $50 million contract (or $50 million in net awards during the cost accounting period) but whose contract portfolios fall below the new $100 million threshold will no longer be subject to full CAS for contracts entered into after June 30, 2026, and may elect modified coverage if their individual contracts exceed $35 million. Contractors that were previously subject to modified coverage because they received contracts exceeding the $2.5 million TINA threshold (but below $50 million full coverage) will no longer be CAS-covered at all for contracts below $35 million entered into after June 30, 2026. However, contractors must continue to comply with the CAS requirements on existing contracts entered into on or before June 30, 2026, under the prior thresholds, until those contracts are closed out. A contractor with a mix of pre-July 1, 2026 contracts (subject to the old thresholds) and post-June 30, 2026 contracts (subject to the new thresholds) must maintain parallel CAS compliance frameworks during the transition period, tracking which contracts are subject to which thresholds and which level of coverage.

Source: Pub. L. 119-60, Section 1806 (FY 2026 NDAA, CAS threshold increases) Source: 91 Fed. Reg. 13559 (March 20, 2026, proposed rule implementing NDAA CAS threshold changes) Source: 48 C.F.R. § 9903.201-2 (CAS coverage thresholds regulation, to be amended by June 2026) Source: FAR 30.201-4 (CAS clause prescription)

The Truthful Cost or Pricing Data statute (formerly the Truth in Negotiations Act and still widely known as TINA) is codified at 10 U.S.C. Chapter 271 (Department of Defense, NASA, and Coast Guard) and 41 U.S.C. Chapter 35 (civilian agencies). TINA requires contractors and subcontractors to submit certified cost or pricing data before price agreement on certain negotiated contracts, subcontracts, and modifications — and to certify that the data are accurate, complete, and current as of the date of price agreement. This statutory regime is the foundation of the federal government's ability to evaluate price reasonableness in sole-source and other non-competitive procurements.

What are cost or pricing data? Under 41 U.S.C. § 3501(a)(1) and 10 U.S.C. § 3701(1), the term "cost or pricing data" means "all facts that, as of the date of agreement on the price of a contract (or the price of a contract modification)… a prudent buyer or seller would reasonably expect to affect price negotiations significantly." The statute explicitly states that the term does not include information that is judgmental but does include the factual information from which a judgment was derived. In practice, cost or pricing data include vendor quotations, actual labor rates, historical costs, material prices, make-or-buy decisions, engineering estimates (where factual), and indirect cost pool allocations — the full universe of factual inputs that underpin the offeror's proposed price. When these data are certified under FAR 15.406-2, the offeror warrants that they are accurate, complete, and current; submission of defective certified cost or pricing data exposes the contractor to a price adjustment (downward) under 10 U.S.C. § 3706 or 41 U.S.C. § 3506, plus interest.

Threshold for the requirement. The TINA threshold — the dollar level above which certified cost or pricing data must be submitted — has been adjusted twice in recent months and practitioners must apply the correct threshold based on the date the contract is entered into:

For contracts entered into on or before June 30, 2026: Under 41 U.S.C. § 1908, the statutory acquisition-related thresholds in federal law are adjusted every five years for inflation using the Consumer Price Index for all urban consumers. The most recent inflation adjustment, published in the Federal Register at 90 Fed. Reg. 41872 (August 27, 2025) and effective October 1, 2025, raised the TINA threshold from $2,000,000 to $2,500,000. Under FAR 15.403-4(a)(1), certified cost or pricing data are required for:

• A prime contract entered into using procedures other than sealed bidding, if the price of the contract to the United States is expected to exceed $2,500,000;
• A modification of any sealed-bid or negotiated contract (whether or not certified cost or pricing data were initially required), if the price adjustment is expected to exceed $2,500,000; and
• A subcontract at any tier, if the contractor and each higher-tier subcontractor were required to furnish certified cost or pricing data, and the subcontract price is expected to exceed $2,500,000.

For contracts entered into after June 30, 2026: Section 1804(c) of the National Defense Authorization Act for Fiscal Year 2026 (Pub. L. 119-60, signed into law December 18, 2025) amended 10 U.S.C. § 3702(a) to raise the TINA threshold to $10,000,000 for contracts entered into after June 30, 2026. The statute provides that for prime contracts entered into on or before June 30, 2026, the threshold remains $2,500,000 (as adjusted by the October 2025 inflation adjustment), but for contracts entered into after June 30, 2026, the threshold is $10,000,000. The higher threshold applies to both DoD and civilian agency contracts, and it applies at both the prime contract and subcontract levels. Note that for subcontracts, the applicable threshold depends on when the prime contract was entered into: if the prime contract was entered into on or before June 30, 2026, the subcontract threshold remains $2,500,000; if the prime contract was entered into after June 30, 2026, the subcontract threshold is $10,000,000.

The threshold is subject to further inflation adjustment under 41 U.S.C. § 1908, which requires adjustment every five years (on October 1 of each year evenly divisible by five). For modifications to contracts awarded before July 1, 2018, FAR 15.403-4(a)(1)(B) had specified a separate $750,000 modification threshold through a transition rule; that rule was later simplified, and as of the FY 2022 NDAA the single threshold (now $2.5 million for contracts entered into on or before June 30, 2026, and $10 million for contracts entered into after June 30, 2026) applies to all modifications regardless of contract award date. FAR 15.403-4(a)(1)(iii) instructs that when calculating whether a modification exceeds the threshold, price adjustment amounts must consider both increases and decreases — so a $500,000 net increase composed of a $1,500,000 decrease and a $2,000,000 increase is actually a $3,500,000 pricing adjustment and triggers the requirement (if the modification is to a contract entered into after June 30, 2026).

When is the requirement mandatory? The requirement to obtain certified cost or pricing data is mandatory unless an exception at FAR 15.403-1(b) applies. The four principal exceptions are:

1. Adequate price competition (FAR 15.403-1(c)(1)) — when two or more responsible offerors independently compete and price is a substantial evaluation factor;
2. Prices set by law or regulation (FAR 15.403-1(c)(2));
3. Commercial products or commercial services (FAR 15.403-1(c)(3)) — any acquisition that meets the commercial product or commercial service definition in FAR 2.101 is exempt; and
4. Waiver (FAR 15.403-1(c)(4)) — the head of the contracting activity (HCA), without power of delegation, may waive the requirement in exceptional cases if the contracting officer can determine price reasonableness without the certified data.

If none of these exceptions applies and the dollar threshold is met, the contracting officer must obtain certified cost or pricing data per FAR 15.403-4(a). The contracting officer may also require data submission below the threshold (but above the simplified-acquisition threshold) if the HCA, without delegation, authorizes it in writing and justifies that the data are necessary to determine price reasonableness (FAR 15.403-4(b)(2)).

Certification mechanics. When certified cost or pricing data are required, the contractor must submit the data and execute the Certificate of Current Cost or Pricing Data prescribed at FAR 15.406-2. The certificate states:

> "… to the best of [the contractor's] knowledge and belief, the cost or pricing data … are accurate, complete, and current as of [a specified date]."

The certification date is ordinarily the date of price agreement, though the parties may agree to an earlier date that is as close as practicable to price agreement. The certificate is typically included in the signed proposal or as an exhibit to the final contract. The requirement for the certificate is not waivable even if the data themselves are submitted; if an exception to the data requirement is later found to apply, the submitted data "must not be considered certified cost or pricing data" and must not be certified (FAR 15.403-4(c)).

Defective pricing and the price-adjustment remedy. If the government later determines — typically via a Defense Contract Audit Agency (DCAA) defective-pricing audit — that the contractor knew or should have known that certified cost or pricing data were inaccurate, incomplete, or not current as of the certification date, the contract price must be reduced by the amount by which the price was increased because of the defective data. This remedy is set forth at 10 U.S.C. § 3706 and 41 U.S.C. § 3506 and is implemented by the mandatory Price Reduction for Defective Cost or Pricing Data clause (FAR 52.215-10 or FAR 52.215-11, depending on whether cost or pricing data are required). The government has the burden of proof, but there is a rebuttable presumption that the government relied on the defective data and that the defect caused a dollar-for-dollar increase in contract price. Interest accrues under 10 U.S.C. § 3707 or 41 U.S.C. § 3507. The contractor's exclusive defenses are narrow: the government did not in fact rely on the defective data, or the data were not reasonably available to the contractor when the certificate was signed (an extraordinarily high bar — data in the possession of any business unit of the contractor or a prospective subcontractor are generally deemed available).

Subcontract flowdown. Under FAR 15.403-4(a)(1)(ii), if a prime contractor is required to submit certified cost or pricing data, the prime must obtain certified cost or pricing data from any subcontractor at any tier whose subcontract is expected to exceed the applicable threshold (which depends on when the prime contract was entered into), unless an exception at FAR 15.403-1(b) applies to that subcontractor. The flowdown is automatic and mandatory; the FAR clauses at 52.215-12 and 52.215-13 incorporate the requirement into the subcontract by reference. The prime contractor is responsible for verifying the accuracy of subcontractor data, and defective subcontractor data can trigger a price adjustment against the prime.

Relationship to other data requests. When certified cost or pricing data are not required because an exception applies — for example, because the acquisition is for a commercial product — the contracting officer may still require submission of data other than certified cost or pricing data under FAR 15.403-3 to support a determination of fair and reasonable pricing. Such data are not certified, do not trigger the defective-pricing statute, and may be limited in scope (for commercial items, the contracting officer's requests must be limited to data in the form regularly maintained by the offeror and for the same or similar items during a relevant time period). The distinction between certified cost or pricing data (statutory, subject to the defective-pricing remedy) and "other than certified cost or pricing data" (discretionary, not subject to the remedy) is fundamental.

Source: 10 U.S.C. Chapter 271 (TINA statute for DoD, NASA, Coast Guard) Source: 41 U.S.C. Chapter 35 (TINA statute for civilian agencies) Source: 90 Fed. Reg. 41872 (August 27, 2025, inflation adjustment to $2.5M effective October 1, 2025) Source: Pub. L. 119-60, Section 1804(c) (FY 2026 NDAA, raising threshold to $10M for contracts after June 30, 2026) Source: FAR 15.403-4 (Requiring certified cost or pricing data) Source: FAR 15.403-1 (Prohibition on obtaining certified cost or pricing data — exceptions)

FAR Part 31 establishes the cost principles and procedures that govern which costs the government will reimburse under cost-reimbursement contracts and which costs may be included in forward-pricing rate proposals, indirect cost submissions, and certified cost or pricing data. These principles apply to contracts with commercial organizations under FAR Subpart 31.2, as distinguished from the separate rules for educational institutions (Subpart 31.3), nonprofit organizations (Subpart 31.7), and state and local governments (Subpart 31.6). The core allowability framework sits at FAR 31.201-2, which establishes a mandatory five-part test that every cost must satisfy to be reimbursed by the government.

The five-part allowability test. Under FAR 31.201-2(a), a cost is allowable only when the cost complies with all five of the following requirements:

1. Reasonableness — The cost must satisfy the standard at FAR 31.201-3. Under that provision, a cost is reasonable if, in its nature and amount, it does not exceed that which would be incurred by a prudent person in the conduct of competitive business. Factors considered in determining reasonableness include: whether the cost is of a type generally recognized as ordinary and necessary for the conduct of the contractor's business or contract performance; the restraints or requirements imposed by generally accepted sound business practices, arm's-length bargaining, and federal and state laws and regulations; the contractor's responsibilities to the government, other customers, the owners of the business, employees, and the public at large; and any significant deviations from the contractor's established practices. The "prudent person" test is context-specific — a cost that is reasonable for one contractor under particular circumstances may be unreasonable for another, and a cost that was reasonable when incurred may later be found unreasonable if the amount or circumstances were excessive.

1. Allocability — The cost must be assignable or chargeable to the contract (or other cost objective) on the basis of relative benefits received or other equitable relationship, per FAR 31.201-4. A cost is allocable to a government contract if it is incurred specifically for the contract; or it benefits both the contract and other work and can be distributed to them in reasonable proportion to the benefits received; or it is necessary to the overall operation of the business, even though a direct relationship to any particular cost objective cannot be shown. The allocability requirement prohibits charging the government for costs that provide no benefit to the contract, or charging the government for a disproportionate share of costs that benefit the contractor's entire business or other customers.

1. Compliance with accounting standards — The cost must be determined in accordance with standards promulgated by the Cost Accounting Standards (CAS) Board if applicable, or otherwise in accordance with generally accepted accounting principles and practices appropriate to the circumstances. Under FAR 31.201-2(b), certain cost principles in FAR Subpart 31.2 explicitly incorporate the measurement, assignment, and allocability rules of selected CAS and limit allowability to the amounts determined using those standards — even for contractors that are not otherwise subject to full CAS coverage under a CAS clause (see 48 C.F.R. Chapter 99). Business units that are not CAS-covered are subject to the selected standards only for the purpose of determining allowability of costs on government contracts; the inclusion of selected standards in the cost principles does not subject the business unit to the full suite of CAS disclosure, consistency, and compliance rules unless the contract itself contains a CAS clause.

1. Contract terms — The cost must not be prohibited by the terms of the contract itself. Individual contracts may impose cost limitations, caps, or exclusions that are more restrictive than the general FAR Part 31 rules. Even if a cost is otherwise reasonable, allocable, and not barred by FAR Subpart 31.2, it is unallowable if the specific contract terms prohibit it.

1. FAR Subpart 31.2 limitations — The cost must not be rendered unallowable or limited by any of the limitations set forth elsewhere in FAR Subpart 31.2. (FAR Subpart 31.2 includes both general principles at FAR 31.201 through 31.205 and detailed rules for specific cost categories; FAR 31.205, "Selected costs," enumerates more than fifty cost categories and specifies for each whether the cost is allowable, expressly unallowable, or allowable subject to conditions.)

All five prongs are mandatory. Failure to satisfy any one of the five requirements renders the cost unallowable. A cost that is reasonable and allocable may still be unallowable because it is expressly barred by a specific FAR 31.205 provision or because it was not recorded in accordance with applicable CAS or GAAP. Conversely, a cost that appears to fall within an "allowable" category must still satisfy the reasonableness, allocability, accounting-standards, and contract-terms tests.

Inconsistent accounting practices. Under FAR 31.201-2(c), when a contractor's accounting practices are inconsistent with FAR Subpart 31.2, costs resulting from such inconsistent practices in excess of the amount that would have resulted from using practices consistent with this subpart are unallowable. This rule targets the incremental cost caused by the noncompliance, not necessarily the entire cost item.

Documentation requirement. FAR 31.201-2(d) requires the contractor to maintain records, including supporting documentation, adequate to demonstrate that costs claimed have been incurred, are allocable to the contract, and comply with applicable cost principles and agency supplements. The contractor bears the burden of demonstrating that a cost meets all five allowability tests.

Applicability. FAR 31.102 specifies that the cost principles apply to the pricing of contracts and contract modifications whenever cost analysis is performed, and to the determination, negotiation, or allowance of costs when required by a contract clause. Although most directly associated with cost-reimbursement contracts, the principles also govern the determination of allowable costs under time-and-materials contracts (for certain cost elements), the preparation of indirect cost rate proposals, and the identification of costs to exclude when submitting certified cost or pricing data. FAR 31.102 further provides that for firm-fixed-price contracts, the cost principles in Subpart 31.2 are used as guidance in the pricing of the contract and of contract modifications, and the contracting officer may require submission of cost data and use the principles to determine whether costs are allowable — though once a firm-fixed-price contract is awarded and fully priced, the allowability rules ordinarily do not apply to costs incurred during performance (because the price is fixed).

Agency supplements. FAR Subpart 31.2 is the baseline for commercial organizations; individual agencies may issue supplements that impose additional unallowable costs or further limitations. Agency supplements may make costs unallowable that FAR Part 31 would otherwise permit, but an agency supplement cannot override an express FAR unallowability rule to render a cost allowable. Contractors must consult both FAR Subpart 31.2 and any applicable agency-specific cost principles (for example, those in the DFARS, NASA FAR Supplement, or Department of Energy Acquisition Regulation).

Source: FAR 31.201-2 Source: FAR 31.201-3 Source: FAR 31.201-4 Source: FAR 31.102 Source: 48 C.F.R. § 31.201-2

Under FAR 31.203, contractors must allocate indirect costs — those that cannot be charged directly to a single contract or final cost objective — using logical cost groupings (pools) and allocation bases that reflect a causal or beneficial relationship between the pooled costs and the work receiving the allocation. FAR 31.203 does not mandate a particular number of pools or prescribe specific rate structures (fringe, overhead, G&A), but it establishes five core allocation rules that govern how indirect costs must be accumulated and distributed.

Definition of indirect costs. FAR 31.203(b) defines indirect costs as those "remaining to be allocated to intermediate or two or more final cost objectives" after direct costs have been determined and charged directly to the contract or other work. The same subsection imposes the direct / indirect consistency rule: "No final cost objective shall have allocated to it as an indirect cost any cost, if other costs incurred for the same purpose, in like circumstances, have been included as a direct cost of that or any other final cost objective." A contractor may not charge the same type of cost directly to one contract and indirectly to another when the circumstances are the same; the cost treatment must be consistent across all cost objectives. (The minor-dollar exception at FAR 31.202(b) permits treating a direct cost of minor amount as indirect if the treatment is consistently applied to all cost objectives and produces substantially the same result, but the core principle is consistency.)

Logical cost groupings. FAR 31.203(c) requires the contractor to "accumulate indirect costs by logical cost groupings with due consideration of the reasons for incurring such costs." The contractor must determine each grouping so as to "permit use of an allocation base that is common to all cost objectives to which the grouping is to be allocated." The regulation itself does not enumerate what constitutes a "logical" grouping or name specific pools; it states only that the selected base must be common to all cost objectives receiving the allocation. In practice, government contractors most commonly use a three-tier structure — fringe benefits, overhead, and general and administrative (G&A) — but FAR 31.203(c) does not compel this structure. A contractor with a single contract or with multiple contracts having similar cost structures may use a simpler one-tier or two-tier structure, and a contractor with diverse operations (for example, on-site work at government facilities alongside off-site corporate work, or labor-intensive services alongside material-heavy supply contracts) may use a more refined structure with multiple overhead pools or specialized handling pools, so long as each pool and base satisfy the causal-or-beneficial-relationship standard.

Fragmentation prohibition and unallowable-cost inclusion. FAR 31.203(d) provides: "Once an appropriate base for allocating indirect costs has been accepted, the contractor shall not fragment the base by removing individual elements. All items properly includable in an indirect cost base shall bear a pro rata share of indirect costs irrespective of their acceptance as Government contract costs." The rule gives an example: "when a cost input base is used for the allocation of G&A costs, the contractor shall include in the base all items that would properly be part of the cost input base, whether allowable or unallowable, and these items shall bear their pro rata share of G&A costs." This is the unallowable-cost inclusion rule: the contractor may not inflate the indirect rate on allowable government contracts by excluding unallowable costs (for example, commercial work subject to unallowable advertising, or interest expense barred by FAR 31.205-20) from the allocation base. If a cost is properly part of the base under the pool's allocation methodology, it stays in the denominator even though it is unallowable and will not be reimbursed. The effect is to spread the indirect pool equitably over the contractor's entire business activity during the cost accounting period, not just the government-allowable portion.

Revision when circumstances change. FAR 31.203(e) states that the method of allocating indirect costs may require revision when there is "a significant change in the nature of the business, the extent of subcontracting, fixed-asset improvement programs, inventories, the volume of sales and production, manufacturing processes, the contractor's products, or other relevant circumstances." This provision is permissive (the contractor is not automatically required to revise), but it signals that a pool-and-base structure that was equitable in one period may become inequitable if the business undergoes substantial change. A contractor experiencing rapid growth, a merger or acquisition, entry into a new line of business, or a shift in contract mix (from service to supply, or from off-site to on-site work) should evaluate whether its existing indirect rate structure still produces an equitable allocation. DCAA may challenge a rate structure during an incurred-cost audit under FAR 52.216-7 if the auditor concludes that changed circumstances have rendered the allocation inequitable, and the contractor may be required to recalculate rates and adjust prior billings.

Cost accounting period. FAR 31.203(g) defines the base period for allocating indirect costs as "the cost accounting period during which such costs are incurred and accumulated for allocation to work performed in that period." For contracts subject to full or modified CAS coverage, the contractor must follow the criteria in CAS 9904.406 (48 C.F.R. § 9904.406) for selecting the cost accounting period. For contracts not subject to CAS, FAR 31.203(g)(2) provides that the base period is "the contractor's fiscal year used for financial reporting purposes in accordance with generally accepted accounting principles," normally twelve months, though a different period may be appropriate (for example, when a change in fiscal year occurs due to a business combination). Indirect rates are typically estimated at the beginning of the fiscal year and applied as provisional or billing rates during the year; at fiscal year-end, the contractor calculates final indirect rates using actual incurred pool costs and actual base amounts, and any over- or under-recovery is reconciled through the incurred-cost submission process under FAR 52.216-7.

CAS applicability. FAR 31.203(a) states: "For contracts subject to full CAS coverage, allocation of indirect costs shall be based on the applicable [CAS] provisions. For all other contracts, the applicable CAS provisions in paragraphs (b) through (h) of this section apply." This means that contractors not subject to a CAS clause in their contracts are nonetheless bound by the selected CAS allocation principles embedded in FAR 31.203(b)–(h) for the purpose of determining cost allowability under FAR Part 31. The difference is that a CAS-covered contractor must comply with the full suite of CAS obligations (Disclosure Statement filing under 48 C.F.R. § 9903.202, advance notice of accounting changes, and noncompliance penalties under FAR 30.605), while a non-CAS contractor is subject to the FAR cost-principle rules that incorporate selected CAS measurement and allocation standards but is not subject to the formal CAS compliance regime.

Common three-tier structure (fringe, overhead, G&A) — industry practice, not FAR mandate. Although FAR 31.203 does not prescribe a specific pool structure, the dominant practice among service-oriented government contractors is to allocate indirect costs in three sequential tiers: fringe benefits, overhead, and general and administrative (G&A). This structure is not required by FAR 31.203 itself, but it flows from the interaction of FAR 31.203's logical-grouping and common-base requirements with the guidance in the Cost Accounting Standards (principally CAS 9904.410 on G&A allocation and CAS 9904.418 on direct and indirect cost allocation) and with DCAA audit practice. The structure works as follows:

1. Fringe benefits pool. Fringe benefits are defined at FAR 31.205-6(m)(1) as "allowances and services provided by the contractor to its employees as compensation in addition to regular wages and salaries," including (but not limited to) vacations, sick leave, holidays, military leave, employee insurance, and supplemental unemployment benefit plans. Contractors accumulate these costs in a fringe pool and allocate them over a total labor base (direct labor plus indirect labor — overhead labor, G&A labor, bid-and-proposal labor, and independent research and development labor). Because the fringe pool is allocated to all labor, fringe costs applied to indirect labor flow into the overhead and G&A pools in subsequent allocation steps.

1. Overhead pool. The overhead pool typically includes costs that support contract performance but cannot be charged to a single contract: indirect labor (supervisors, project managers, administrative staff supporting multiple contracts), facilities costs (rent, utilities, maintenance, depreciation), supplies, IT support, and similar expenses. The most common allocation base for overhead is direct labor dollars (or direct labor plus fringe on direct labor, or direct labor plus fringe plus bid-and-proposal labor, depending on the contractor's disclosed accounting practice). FAR 31.203(c) requires only that the base be "common to all cost objectives" receiving the overhead allocation and that it reflect the benefits received; it does not mandate a specific base.

1. General and administrative (G&A) pool. The G&A pool includes costs necessary for the overall operation of the business but not directly supporting contract performance: executive and corporate management, finance, accounting, legal, corporate insurance, business development (excluding B&P, which is treated separately under FAR 31.205-18), and the fully loaded bid-and-proposal and independent research and development costs. The standard allocation base for G&A is the total cost input (TCI) base, defined (in CAS 9904.410-30(a)(1) and accepted in DCAA practice) as all costs incurred during the cost accounting period except G&A expenses themselves. The TCI base includes direct costs, fringe allocated to direct labor, overhead allocated to direct labor and fringe, B&P and IR&D (fully loaded), and — per the fragmentation prohibition in FAR 31.203(d) — unallowable costs (both direct and indirect). Some contractors use a value-added base (direct labor plus fringe, excluding materials and subcontracts) when the TCI base would produce an inequitable allocation; such alternatives are permitted under FAR 31.203(c) if the contractor can demonstrate that the TCI base does not reflect a causal or beneficial relationship and that the alternative is more equitable, but the burden is on the contractor and DCAA scrutinizes these proposals closely.

The three-tier structure (and variations such as two-tier or one-tier with fringe consolidated into overhead or G&A) are permissible methodologies under FAR 31.203, not regulatory mandates. The controlling standard is FAR 31.203(c): the contractor's chosen structure must accumulate costs by logical groupings and allocate them on bases that reflect the benefits received by each cost objective.

Special care for GOCO plants. FAR 31.203(h) provides that "special care should be exercised" in applying the pool, base, and revision principles of subsections (c), (d), and (e) when government-owned contractor-operated (GOCO) plants are involved. The provision notes: "The distribution of corporate, division or branch office G&A expenses to such plants operating with little or no dependence on corporate administrative activities may require more precise cost groupings, detailed accounts screening, and carefully developed distribution bases." This is the only explicit FAR acknowledgment that different business segments may require distinct allocation methodologies; it underscores that a single G&A rate applied across all segments may be inequitable when one segment (the GOCO plant) receives minimal corporate support.

Excessive pass-through charges. FAR 31.203(i) states that "indirect costs that meet the definition of 'excessive pass-through charge' in [FAR clause] 52.215-23, are unallowable." This is a cross-reference to the subcontract cost-reimbursement rules; it is not a general indirect-rate limitation but a specific bar on certain types of inflated subcontract markups.

Source: FAR 31.203 Source: 48 C.F.R. § 31.203 Source: FAR 31.205-6(m)

Under FAR 31.205-6(p)(1), compensation costs for any contractor employee incurred on or after June 24, 2014, are unallowable to the extent such costs exceed the benchmark compensation amount determined annually by the Administrator of the Office of Federal Procurement Policy (OFPP), as mandated by 10 U.S.C. § 3744(a)(16) and 41 U.S.C. § 4304(a)(16). This statutory cap applies to contracts awarded on or after June 24, 2014, pursuant to section 702 of the Bipartisan Budget Act of 2013 (Pub. L. 113-67), and it is the sole statutory limitation on allowable employee compensation costs for such contracts. Unlike the prior regime under 41 U.S.C. § 1127 (which applied only to senior executives for contracts awarded before June 24, 2014), the current cap applies to all employees, whether or not they occupy management positions, and whether their compensation is charged directly to a contract or allocated through indirect cost pools.

Benchmark amount and annual adjustment. The benchmark compensation amount is set by OFPP and adjusted annually to reflect changes in the Employment Cost Index for all workers, as calculated by the Bureau of Labor Statistics, per 10 U.S.C. § 3744(a)(16). The Bipartisan Budget Act established an initial cap of $487,000 for fiscal year 2014, and OFPP publishes updated amounts each calendar year. For calendar year 2024, the benchmark amount was $646,000; for calendar year 2025, the benchmark amount is $671,000. As of May 30, 2026, the official 2026 benchmark amount has not yet been published by OFPP. Industry sources (including government contractor consulting firms relying on the Employment Cost Index methodology prescribed by statute) estimate the 2026 benchmark at approximately $695,000, but contractors must confirm the official amount from OFPP when it is published. (The FAR itself does not specify dollar amounts; contractors must confirm the controlling benchmark for each calendar year from the OFPP / OMB procurement policy website, historically at http://www.whitehouse.gov/omb/procurement/cecp per the FAR cross-reference at FAR 31.205-6(p)(1)(ii), though administration transitions may change the URL.) Contractors whose fiscal year does not coincide with the calendar year must pro-rate the benchmark amounts for the two calendar years straddled by their fiscal year. For example, a contractor with a July 1–June 30 fiscal year ending June 30, 2026, would pro-rate the 2025 benchmark ($671,000) and the 2026 benchmark (once published) based on the number of months falling within each calendar year.

Definition of compensation. Under FAR 31.205-6(a)(1)(i), "compensation" means the total amount of wages, salary, bonuses, deferred compensation (see FAR 31.205-6(k)), and employer contributions to defined contribution pension plans (see FAR 31.205-6(j)(4) and (q)), for the fiscal year, whether paid, earned, or otherwise accruing, as recorded in the contractor's cost accounting records for the fiscal year. The definition is comprehensive and includes all forms of direct and deferred remuneration; it does not include employer-paid health insurance or other fringe benefits that are allocated through a separate fringe-benefit pool, but it does include deferred compensation (401(k) employer match, nonqualified deferred compensation plan accruals) and bonuses regardless of when paid. The cap is applied to the total compensation for each employee for the contractor's fiscal year; if an individual's total compensation (salary + bonus + deferred comp + DC pension contributions) exceeds the benchmark amount, the excess is unallowable.

Application to all employees and all contract types. FAR 31.205-6(p)(1)(ii) states unambiguously that the cap applies to compensation costs for all employees and that it applies regardless of the contract funding source. This means:

• The cap applies to any contractor employee, including executives, engineers, mid-level managers, administrative staff, and even direct-labor employees, if their total compensation exceeds the benchmark.
• The cap applies whether the compensation is charged directly to a contract (for example, as direct labor) or allocated indirectly through overhead, fringe, or G&A pools.
• The cap applies to all contract types to which FAR Part 31 cost principles apply: cost-reimbursement contracts, time-and-materials contracts, and fixed-price contracts when cost analysis is performed (per FAR 31.102). For firm-fixed-price contracts that were priced on a sealed-bid or adequate-price-competition basis without cost analysis, the cap does not apply during performance, but the contractor must still comply with the cap in any forward-pricing proposal or incurred-cost submission if the contract later converts to cost-reimbursement or T&M, or if the cap applies to another co-existing contract.

Practical compliance mechanics — identifying and segregating excess compensation. Contractors must identify, at the close of each fiscal year, every employee whose total compensation (as defined in FAR 31.205-6(a)(1)(i)) exceeded the applicable benchmark amount. For each such employee, the contractor must calculate the excess compensation — the amount by which the employee's total fiscal-year compensation exceeded the pro-rated benchmark — and treat that excess as expressly unallowable under FAR 31.201-6. FAR 31.201-6(e) requires contractors to identify and segregate unallowable costs at the time the cost is incurred (or as soon as it becomes unallowable) and to account for them in a manner that permits ready segregation and exclusion from costs charged to government contracts. This means that contractors must maintain unallowable-cost accounts (or subledgers) for the excess compensation of each over-cap employee, and must exclude the unallowable amounts from the indirect cost pools (fringe, overhead, G&A) before calculating the final indirect rates for the fiscal year.

The fragmentation prohibition in FAR 31.203(d) remains in force: even though the excess compensation is unallowable, the contractor may not remove the employee's total compensation from the allocation base for G&A or overhead. The full compensation (allowable plus unallowable) stays in the base (for example, the total-cost-input base for G&A), but only the allowable portion (up to the cap) is included in the numerator (the pool). This ensures that the contractor's government contracts do not bear a disproportionate share of the indirect pool because high-paid employees are working on commercial or unallowable work.

Exceptions for scientists, engineers, and specialists. FAR 31.205-6(p)(1)(iii) provides that an agency head (not the contracting officer, and not delegable) may establish one or more narrowly targeted exceptions for scientists, engineers, or other specialists upon a determination that such exceptions are needed to ensure that the executive agency has continued access to needed skills and capabilities. This exception authority is statutory (10 U.S.C. § 3744(a)(16) and 41 U.S.C. § 4304(a)(16)) and is intended for specialized technical positions where the benchmark cap would prevent the government from obtaining critical expertise. The exception must be narrowly targeted — it cannot be a blanket waiver for all high earners or for entire categories of employees; it must be justified on a skills-and-capabilities basis for specific positions. In practice, agency-head exceptions are rare, heavily scrutinized, and require advance approval; contractors may not unilaterally assume an exception applies.

Relationship to the "reasonableness" requirement. The compensation cap is a separate and independent limitation from the reasonableness requirement at FAR 31.205-6(b). Even if an employee's compensation is below the benchmark cap, it must still satisfy the reasonableness test — i.e., it must not exceed that which would be incurred by a prudent person in the conduct of competitive business, considering industry benchmarks, the contractor's established practices, and the employee's duties and qualifications. FAR 31.205-6(b)(3) requires the contractor to base compensation on its established plan or practice and to provide the cognizant administrative contracting officer (ACO) an opportunity to review the allowability of major compensation-plan revisions before or shortly after implementation. Conversely, compensation that is reasonable under FAR 31.205-6(b) is nonetheless unallowable to the extent it exceeds the benchmark cap; the cap is a statutory ceiling that operates independently of reasonableness.

Contracts awarded before June 24, 2014 — different rules. FAR 31.205-6(p)(2) and (p)(3) preserve the prior compensation-cap regimes for contracts awarded before June 24, 2014, which applied different benchmark formulas (based on surveys of senior-executive compensation at publicly owned U.S. corporations) and in some cases applied only to senior executives rather than all employees. The transition rules are complex and depend on the contract award date and the contracting agency (DoD / NASA / Coast Guard contracts awarded between December 31, 2011, and June 24, 2014, were subject to an all-employee cap; civilian-agency contracts awarded before June 24, 2014, were subject to a senior-executive-only cap). For contracts awarded on or after June 24, 2014, the relevant provision is FAR 31.205-6(p)(1), which applies the benchmark cap to all employees and is the sole statutory limitation. Contractors with a mix of pre- and post-June 24, 2014, contracts must track compensation allowability separately by contract cohort.

Unallowable-cost penalty risk. Under FAR 42.709, if a contractor includes unallowable costs in an indirect cost proposal or incurred-cost submission with inadequate documentation — or if the contractor knew or should have known the cost was unallowable and failed to identify it as such — the contractor is subject to a penalty of the greater of (1) the total amount of the unallowable costs included, or (2) a percentage of the contractor's total costs in the proposal (ranging from 0.5% to 5%, depending on whether the inclusion was negligent or willful). Excess compensation over the benchmark cap is expressly unallowable and contractors have clear notice of the cap amount (OFPP publishes it each calendar year); failure to identify and exclude the excess in an incurred-cost submission or forward-pricing proposal can trigger the penalty, in addition to the direct cost disallowance. DCAA incurred-cost audits routinely scrutinize compensation for benchmark-cap compliance and test whether the contractor properly segregated and excluded the unallowable amounts.

Source: FAR 31.205-6 Source: 10 U.S.C. § 3744 Source: 41 U.S.C. § 4304

Bid and proposal (B&P) costs are defined at FAR 31.205-18(a) as "the costs incurred in preparing, submitting, and supporting bids and proposals (whether or not solicited) on potential Government or non-Government contracts." The term explicitly excludes costs of effort sponsored by a grant or cooperative agreement and costs required in the performance of an existing contract. B&P costs are a category of indirect costs that the government allows contractors to recover on cost-reimbursement contracts, subject to reasonableness and allocability requirements and the specialized accounting rules in CAS 9904.420 (Accounting for independent research and development costs and bid and proposal costs). B&P costs are distinct from independent research and development (IR&D) costs — which fund projects in basic research, applied research, development, and systems/concept formulation studies — but the two cost categories are treated together in FAR 31.205-18 and CAS 9904.420 because they share a common allocation methodology and both are incurred to advance the contractor's business base rather than to perform a specific contract.

Scope of B&P costs. B&P costs include all effort to prepare and submit a proposal for new or follow-on government or commercial work, including: labor (proposal managers, technical writers, pricing analysts, subject-matter experts participating in proposal preparation); proposal production costs (graphics, printing, copying, binding); travel to attend pre-proposal conferences or offeror debriefs; consultant fees for capture support or technical advisors; and subcontractor support directly attributable to proposal preparation. The definition covers proposals whether or not they were solicited by the customer — unsolicited proposals qualify as B&P — and whether the target customer is a government agency or a commercial entity. However, FAR 31.205-18(a) draws a bright line: effort required in the performance of a contract is not B&P cost; it is contract cost. This means that proposal effort to win a contract modification or option exercise on an existing contract is generally treated as contract cost (charged directly or through overhead to the existing contract) rather than B&P, unless the contractor's established accounting practice consistently treats modification proposals as B&P across all contracts.

One important exclusion is found in the definition of IR&D at FAR 31.205-18(a): "IR&D effort shall not include technical effort expended in developing and preparing technical data specifically to support submitting a bid or proposal." That technical effort — for example, designing a prototype feature to demonstrate in a proposal, or conducting a feasibility study to underpin a technical approach — is B&P cost, not IR&D cost. The distinction matters for contractors subject to DoD's reporting and approval rules for IR&D under DFARS 231.205-18, which do not apply to B&P.

Allocation mechanics under CAS 9904.420. FAR 31.205-18(b) incorporates by reference the entire text of 48 C.F.R. § 9904.420, the Cost Accounting Standard governing accumulation and allocation of IR&D and B&P costs. Under CAS 9904.420-40(a), the basic unit for identifying and accumulating B&P costs is the individual B&P project. Each proposal effort should be tracked as a discrete project, with direct costs (labor, materials, travel, subcontracts) charged to the project and overhead applied to those direct costs. Under CAS 9904.420-40(b), the B&P project costs consist of all allocable costs except business unit general and administrative (G&A) expenses. This means a B&P project accumulates direct costs plus overhead, but G&A is not applied at the project level; instead, the fully loaded B&P project costs (direct + overhead) are accumulated in a B&P cost pool at the business-unit or profit-center level, and that pool is then allocated to final cost objectives — including government contracts — through the G&A base in a second allocation step.

The standard allocation methodology is specified in FAR 31.205-18(b)(2)(i): "IR&D and B&P costs shall be allocated to final cost objectives on the same basis of allocation used for the G&A expense grouping of the profit center (see [FAR] 31.001) in which the costs are incurred." For the vast majority of contractors, this means B&P costs are allocated over the total cost input (TCI) base — the same base used to allocate G&A per CAS 9904.410. The TCI base includes all costs incurred by the business unit during the cost accounting period (direct costs, overhead, fringe, and other indirect pools) except G&A itself. Because B&P is allocated through the G&A base, the B&P pool and the fully loaded IR&D pool are typically added to the G&A pool numerator, and the combined pool is allocated over the TCI base. The result is that government contracts bear a pro-rata share of the contractor's total B&P spending during the fiscal year based on the contract's share of the contractor's total cost base.

When B&P costs clearly benefit other profit centers or benefit the entire company, FAR 31.205-18(b)(2)(i) requires the contractor to allocate those costs through the G&A of the other profit centers or through the corporate G&A, as appropriate. This is the home-office / multi-segment allocation rule, which mirrors CAS 9904.403 (home office expense allocation) and CAS 9904.420-50(e). A contractor with multiple business units that incurs B&P costs at the corporate level (for example, a corporate capture team supporting proposals across all divisions) must allocate those costs through corporate G&A to the segments, not bury them in a single segment's G&A.

Alternative allocation bases. FAR 31.205-18(b)(2)(ii) provides that "if allocations of IR&D or B&P through the G&A base do not provide equitable cost allocation, the contracting officer may approve use of a different base." This is a safety valve for contractors whose business mix makes the TCI base inequitable — for example, a contractor that has both labor-intensive service contracts and capital-intensive manufacturing contracts might propose a value-added base (excluding materials and subcontracts) if the contractor's B&P effort supports only the service side. The contractor must affirmatively propose the alternative base, demonstrate why the G&A base is inequitable, and obtain contracting-officer approval; the decision is within the contracting officer's discretion and is subject to DCAA audit scrutiny.

Allowability — the basic rule. Under FAR 31.205-18(c), "costs for IR&D and B&P are allowable as indirect expenses on contracts to the extent that those costs are allocable and reasonable," except as limited by paragraphs (d) and (e) of FAR 31.205-18 or by agency-specific regulations. This is a permissive baseline: B&P costs that satisfy the FAR Part 31 reasonableness and allocability tests are generally allowable. The burden is on the contractor to demonstrate that the costs are reasonable (per FAR 31.201-3 — not in excess of what a prudent person would incur in competitive business) and allocable (per FAR 31.201-4 — the costs benefit the contract or are necessary to the overall operation of the business). Importantly, the allowability determination applies to the total B&P pool for the fiscal year; the contracting officer and DCAA evaluate whether the contractor's aggregate B&P spending is reasonable in relation to the contractor's size, business base, and win rate, not whether each individual proposal was prudent.

Limitation for "major contractors" under FAR 31.205-18(d) and (e) — DoD reporting and advance agreement rules. FAR 31.205-18(d) cross-references agency supplements that may impose additional limitations. The principal agency supplement is DFARS 231.205-18, which applies to DoD, NASA, and Coast Guard contractors. Under DFARS 231.205-18(c), a "major contractor" (defined as a contractor whose covered segments allocated a total of more than $11 million in combined IR&D and B&P costs to covered DoD contracts during the preceding fiscal year) must report its IR&D and B&P projects annually to the Office of the Under Secretary of Defense for Research and Engineering, and certain IR&D projects may be subject to advance agreement procedures. Importantly, the DFARS reporting requirement applies only to IR&D costs, not to B&P costs; B&P costs are reportable for statistical purposes but are not subject to the DFARS advance agreement or approval processes. For non-DoD civilian agencies, no comparable reporting or advance agreement framework exists; B&P costs are allowable under the baseline FAR 31.205-18(c) standard (reasonable and allocable) without additional approval.

FAR 31.205-18(d) also preserves the possibility of voluntary advance agreements between the contractor and the government on the treatment of IR&D and B&P costs, per FAR 31.109. Advance agreements are permissive, not mandatory (except for certain DoD major contractors' IR&D projects), but they can provide cost certainty and reduce audit risk.

Small-business and educational institution treatment. FAR 31.205-18(e) addresses special rules for educational institutions (subject to FAR Subpart 31.3 rather than FAR Subpart 31.2) and federally funded research and development centers (FFRDCs). For small business concerns (as defined in FAR Part 19), no special limitation applies; small businesses are subject to the same B&P allowability rules as large businesses under FAR 31.205-18(c), though the reasonableness evaluation may consider industry-specific norms for small contractors' business-development spending.

Consistency with estimating and accumulating costs — CAS 9904.401 and 9904.402. Even for contractors not subject to full CAS coverage, the cost-accounting-practice rules embedded in FAR Part 31 require consistency. If the contractor's disclosed or established practice is to accumulate certain proposal-support costs (for example, business-development labor or capture-team travel) as B&P, the contractor may not selectively charge similar costs directly to a government contract in another period to avoid exceeding a perceived "reasonable" B&P ceiling; the accounting treatment must be consistent across all contracts and all periods per CAS 9904.401 (consistency in estimating, accumulating, and reporting) and CAS 9904.402 (consistency in allocating costs incurred for the same purpose). DCAA incurred-cost audits routinely test for this type of inconsistency.

Documentation and unallowable-cost segregation. Under FAR 31.201-6(e), contractors must maintain records adequate to demonstrate that costs are allocable and comply with the cost principles. For B&P costs, this means maintaining project-level records that identify the proposal opportunity, the proposal team members and hours, the direct costs incurred, and the disposition of the proposal (won, lost, or no-bid decision). If any portion of the B&P pool is determined to be unallowable — for example, because it includes costs for proposals on contracts that would themselves be unallowable, or because the aggregate B&P spending is found unreasonable — the contractor must identify and segregate the unallowable amount and exclude it from billings under FAR 52.216-7 (allowable cost and payment) or FAR 52.216-16 (incentive price revision).

Relationship to independent research and development (IR&D). Although B&P and IR&D are treated together in FAR 31.205-18 and CAS 9904.420 for allocation purposes, they serve different business functions. IR&D funds research and development projects that may (or may not) lead to future products or capabilities; B&P funds the pursuit of specific contract opportunities. The two pools are accumulated separately at the project level under CAS 9904.420-40(a), but they are combined into a single allocation pool (or maintained as two separate pools allocated on the same base) when allocated through G&A. Some contractors maintain a single "IR&D/B&P" pool; others maintain separate IR&D and B&P pools but allocate both over the G&A base. Either structure is acceptable under CAS 9904.420 so long as the allocation base is the same for both pools and reflects the beneficial or causal relationship required by the standard.

Source: FAR 31.205-18 Source: 48 C.F.R. § 9904.420 Source: 48 C.F.R. § 9904.420-40 Source: DFARS 231.205-18

FAR 31.205, titled "Selected costs," enumerates forty-six cost categories and addresses the allowability of each under FAR Subpart 31.2 cost principles for commercial organizations. While many cost categories are allowable subject to reasonableness and allocability requirements, certain categories are expressly unallowable — meaning that under the express provisions of the regulation, the cost is specifically named and stated to be unallowable per the definition at FAR 31.001 and the accounting requirements at FAR 31.201-6. These costs may never be charged to the government, regardless of business justification, reasonableness in amount, or allocability to the contract. Contractors must identify and exclude expressly unallowable costs at the time the cost is incurred and maintain records that permit ready segregation from costs charged to government contracts. Failure to identify and exclude these costs exposes the contractor to cost disallowances and, when the costs are included in an incurred-cost submission or forward pricing proposal, potential penalties and audit findings.

The directly associated cost rule. Under FAR 31.201-6(a), a directly associated cost is any cost that is generated solely as a result of incurring another cost, and that would not have been incurred had the other cost not been incurred. When an unallowable cost is incurred, its directly associated costs are also unallowable. FAR 31.201-6(a) mandates: "Costs that are expressly unallowable or mutually agreed to be unallowable, including mutually agreed to be unallowable directly associated costs, shall be identified and excluded from any billing, claim, or proposal applicable to a Government contract." This is the "but for" rule: the associated cost would not have occurred but for the original unallowable cost. For example, if a contractor purchases alcoholic beverages for a company event (expressly unallowable under FAR 31.205-51), the sales tax on the alcohol is a directly associated cost and is also unallowable; if an employee attends an entertainment event (unallowable under FAR 31.205-14), the travel and lodging for that employee to attend the event are directly associated costs.

FAR 31.201-6(b)(2) provides that "Salary expenses of employees who participate in activities that generate unallowable costs shall be treated as directly associated costs to the extent of the time spent on the proscribed activity, provided the costs are material" (except when such salary expenses are themselves already unallowable). The contractor must compare the time spent on proscribed activities to the employee's total time to determine materiality. Time spent by employees outside normal working hours is ordinarily not considered, unless the employee engages so frequently in the activity outside normal hours that it is part of the employee's regular duties. When a selected cost provision under FAR 31.205 specifies that directly associated costs are unallowable, those costs are unallowable only if determined to be material in amount per FAR 31.201-6(e): materiality is assessed by considering (i) the absolute dollar amount, (ii) the amount relative to the contract cost or the indirect cost pool in which the cost is included, and (iii) the impact on government contract costs or indirect rates.

Segregation and exclusion mechanics. FAR 31.201-6(e) requires contractors to identify and segregate unallowable costs at the time the cost is incurred (or as soon as the cost becomes unallowable) and to account for them in a manner that permits ready segregation and exclusion from costs charged to government contracts. This means the contractor must maintain separate general-ledger accounts or subledgers for expressly unallowable costs. The contractor must exclude expressly unallowable costs from the numerator of its indirect cost pools when calculating final indirect rates, but per the fragmentation prohibition elsewhere in FAR Part 31, the contractor must include the full cost base — allowable and unallowable — in the denominator so that government contracts do not bear a disproportionate share of the pool. FAR 31.201-6(c)(1) incorporates by reference the accounting practices in 48 C.F.R. § 9904.405 (CAS 405, Accounting for Unallowable Costs), which requires contractors to identify unallowable costs in a manner that permits audit verification and to allocate them to cost objectives in the same manner as allowable costs (for base purposes) while excluding them from billings.

Key expressly unallowable cost categories. The following are among the most commonly encountered and mechanically unambiguous expressly unallowable cost categories in FAR 31.205:

1. Alcoholic beverages (FAR 31.205-51). FAR 31.205-51 is the shortest cost principle in FAR Part 31: "Costs of alcoholic beverages are unallowable." There are no exceptions, conditions, or business-purpose qualifications. The rule is categorical and applies to beer, wine, liquor, spirits, mixed drinks, or any other beverage containing alcohol, regardless of the business context (client entertainment, employee recognition, trade shows, or recruiting events). Contractors must exclude alcohol costs from direct charges and from all indirect cost pools (overhead, G&A, fringe). When an event invoice includes both alcoholic and nonalcoholic items — for example, a company holiday party with an open bar, or a business dinner at a restaurant where wine was served — the contractor must segregate the alcohol portion from the otherwise potentially allowable food or event costs. The contractor cannot exclude the entire event cost as unallowable; it must identify and exclude the specific alcohol cost plus the sales tax on the alcohol (a directly associated cost). Contractors should ensure that credit-card statements, expense reports, and event invoices are reviewed at the point of processing for alcohol charges, and that the accounting system captures these costs in a separate unallowable-cost general-ledger account.

2. Entertainment costs (FAR 31.205-14). Under FAR 31.205-14, "Costs of amusement, diversions, social activities, and any directly associated costs such as tickets to shows or sports events, meals, lodging, rentals, transportation, and gratuities are unallowable." The regulation further provides that "Costs made specifically unallowable under this cost principle are not allowable under any other cost principle" — which means a contractor may not attempt to reclassify entertainment as a marketing expense, employee morale expense, or business development cost. The cost principle itself enumerates the directly associated costs: the cost of tickets to shows or sports events is unallowable, and so are the meals, lodging, rentals, transportation, and gratuities incurred in connection with the entertainment. FAR 31.205-14 also provides that "Costs of membership in social, dining, or country clubs or other organizations having the same purposes are also unallowable, regardless of whether the cost is reported as taxable income to the employees." Even if the contractor reports the value of the entertainment as compensation to the employee (and the employee pays income tax on it), the cost remains unallowable to the government. Contractors must carefully distinguish between an otherwise-allowable business meal (for example, a working lunch during a contract negotiation, which may be allowable as a travel or direct cost if the purpose is contract performance) and an entertainment meal (a social dinner with no performance purpose, which is expressly unallowable under FAR 31.205-14). The presence of alcohol at a meal is an indicator that the event may be an unallowable social activity, but it is not itself dispositive; the contractor must evaluate the business purpose of the event in light of all the facts.

3. Contributions or donations (FAR 31.205-8). FAR 31.205-8 states: "Contributions or donations, including cash, property and services, regardless of recipient, are unallowable, except as provided in [FAR] 31.205-1(e)(3)." The rule is comprehensive: any charitable contribution — whether a cash donation to a nonprofit organization, a donation of property or equipment, or a donation of employee labor or services — is expressly unallowable. The exception in FAR 31.205-1(e)(3) is a narrow cross-reference to public-relations and advertising costs; under that provision, certain costs of participation in community service activities (such as blood bank drives, charity drives, savings bond drives, disaster assistance) may be allowable to the extent the costs fall within the allowable public-relations categories at FAR 31.205-1(e). The exception is limited to the cost of employee participation (labor and related overhead) in community service activities that have a public-relations or civic purpose recognized under FAR 31.205-1; it does not permit cash or property donations, and it does not create a blanket exception for charitable work. Contractors must segregate all charitable contributions and exclude them from indirect cost pools. This includes corporate sponsorships of nonprofit events (unallowable as contributions unless the sponsorship falls within the narrow public-relations exceptions), membership dues in civic organizations when the membership has no business benefit and is effectively a donation, and in-kind donations of goods or services to charities.

4. Fines, penalties, and mischarging costs (FAR 31.205-15). FAR 31.205-15(a) provides: "Costs of fines and penalties resulting from violations of, or failure of the contractor to comply with, Federal, State, local, or foreign laws and regulations, are unallowable except when incurred as a result of compliance with specific terms and conditions of the contract or written instructions from the contracting officer." This includes fines or penalties imposed by regulatory agencies (EPA, OSHA, FDA, state labor departments, etc.), criminal or civil fines, administrative penalties, and late fees or penalties imposed by statute or regulation. It also includes less obvious costs such as late fees on credit card payments, late-payment penalties on tax obligations, and interest or penalties on delinquent vendor invoices when the late fee is imposed under a law or regulation (or under a commercial contract term that functions as a penalty). The exception — costs incurred as a result of compliance with specific contract terms or written instructions from the contracting officer — is narrow and places a high burden on the contractor. If a contract required the contractor to violate a law or regulation (an exceedingly rare scenario), or if the contracting officer issued a written instruction that resulted in a fine (for example, directing the contractor to proceed with work notwithstanding a regulatory prohibition), the resulting fine may be allowable, but the contractor must demonstrate that the fine was caused directly by compliance with the written contract term or the written contracting officer instruction.

FAR 31.205-15(b) further provides that "Costs incurred in connection with, or related to, the mischarging of costs on Government contracts are unallowable when the costs are caused by, or result from, alteration or destruction of records, or other false or improper charging or recording of costs." The provision continues: "Such costs include those incurred to measure or otherwise determine the magnitude of the improper charging, and costs incurred to remedy or correct the mischarging, such as costs to rescreen and reconstruct records." If a contractor discovers (or the government alleges) that costs have been improperly charged to a government contract — for example, through a timekeeping error, a misapplication of indirect rates, or intentional mischarging — the costs the contractor incurs to investigate the improper charging and to remediate it (accountant time, legal fees, consultant fees, system upgrades to prevent recurrence) are themselves unallowable under FAR 31.205-15(b) to the extent the investigation and remediation costs were caused by the contractor's false or improper charging. This provision does not render unallowable the costs of ordinary accounting, internal audit, or financial controls; it applies when the contractor must undertake extraordinary remedial work because of its own prior noncompliance.

5. Interest and other financial costs (FAR 31.205-20). FAR 31.205-20 provides: "Interest on borrowings (however represented), bond discounts, costs of financing and refinancing capital (net worth plus long-term liabilities), legal and professional fees paid in connection with preparing prospectuses, and costs of preparing and issuing stock rights are unallowable (but see [FAR] 31.205-28)." The parenthetical "however represented" means that contractors may not disguise interest as another cost category — for example, by embedding interest in a lease payment under older accounting standards, or by characterizing it as a financing fee. Interest on loans, lines of credit, bonds, notes payable, mortgages, capital leases (under pre-ASC 842 accounting standards), and any other borrowing is categorically unallowable. This includes interest paid to banks, interest paid to bondholders, imputed interest on deferred payments, and interest on vendor financing. FAR 31.205-20 lists one exception: "interest assessed by State or local taxing authorities under the conditions specified in [FAR] 31.205-41(a)(3) is allowable." That cross-reference permits certain tax-related interest charges when the interest is part of a settlement with a state or local tax authority under the specific conditions enumerated in FAR 31.205-41.

Contractors frequently ask whether they may recover the cost of capital if interest is unallowable. The answer is that FAR 31.205-20 cross-references FAR 31.205-28 (not included in this section's source list, but noted in the provision), which in turn cross-references FAR 31.205-10 on cost of money. Cost of money is an imputed cost (not actual interest) calculated using a specified Treasury rate and the contractor's facilities capital employed under CAS 9904.414; it is allowable under strict measurement and allocation rules and must be separately identified and proposed in the contractor's cost proposal. Contractors may claim cost of money or they may claim no cost of capital at all, but they may never claim actual interest expense.

Practical compliance — identifying and segregating unallowable costs. Contractors should implement the following practices to ensure expressly unallowable costs are properly identified and excluded in compliance with FAR 31.201-6:

• Establish separate general-ledger accounts (or subledger codes) for each category of expressly unallowable cost: alcoholic beverages, entertainment, charitable contributions, fines and penalties, interest expense. Do not commingle unallowable costs with allowable costs in the same account.
• Train employees who approve expenses, manage corporate events, process accounts payable, or code general-ledger transactions to recognize the categories of expressly unallowable costs. Employees should flag costs falling within these categories at the point of incurrence so the costs can be coded to the appropriate unallowable-cost account.
• Review expense reports and credit-card statements for alcohol, entertainment, donations, and fines or penalties. Code these costs to unallowable-cost accounts immediately upon processing the expense report or statement; do not wait until year-end or until a DCAA audit to perform the segregation.
• Segregate directly associated costs: when an expressly unallowable cost is identified — for example, a social event that is unallowable entertainment under FAR 31.205-14, or a charitable contribution under FAR 31.205-8 — identify the directly associated costs (employee labor time spent planning or attending the event, travel costs, materials, sales tax) and, if material, exclude them as well. Timekeeping records should capture time spent on activities that generate unallowable costs (for example, hours spent organizing a company holiday party, or hours spent preparing a donation to a nonprofit), and that time should be coded to an unallowable indirect labor account or excluded from the overhead or G&A base.
• When an invoice includes both allowable and unallowable items, parse the invoice and allocate the costs properly. For example, if a company event invoice includes $5,000 for food and $2,000 for alcohol, code the $5,000 to an allowable employee morale or business development account (subject to the allowability tests under FAR 31.205-13 or another applicable cost principle) and code the $2,000 alcohol plus associated sales tax to the unallowable-cost account for alcoholic beverages. Maintain supporting documentation (itemized invoices, receipts, contracts) that demonstrate how the allocation was performed.
• Exclude expressly unallowable costs from indirect cost pools at fiscal year-end when calculating final indirect rates. The unallowable costs should not appear in the numerator of overhead, G&A, or fringe pools. However, the costs remain in the allocation base (the denominator) per the principles embedded in CAS 9904.405 and the FAR Part 31 allocation framework, unless the cost was never part of the contractor's business activity. The effect is that the contractor's government contracts bear their proportionate share of the contractor's total allowable indirect costs, but the unallowable costs are excluded from the reimbursement calculation.
• Include a schedule of unallowable costs in the annual incurred-cost submission under the FAR 52.216-7 clause (Allowable Cost and Payment). The schedule should identify the unallowable costs by category and dollar amount, show the general-ledger accounts in which the costs were recorded, and demonstrate that the costs were excluded from the indirect cost pools. DCAA auditors routinely test whether the contractor has properly identified and excluded the forty-six selected cost categories enumerated in FAR 31.205.

FAR 31.201-6(c)(2) permits contractors to use statistical sampling to identify and segregate unallowable costs, provided the sample is unbiased, large-dollar or high-risk transactions are separately reviewed, and the sampling method permits audit verification. Use of statistical sampling should be the subject of an advance agreement under FAR 31.109 between the contractor and the cognizant contracting officer or administrative contracting officer, and the advance agreement should specify the characteristics of the sampling process and obtain input from the cognizant auditor.

Consequences of noncompliance. If a contractor includes expressly unallowable costs in an incurred-cost submission, forward pricing proposal, or other billing or claim to the government, and fails to identify and exclude those costs with adequate documentation, the contractor faces cost disallowances, adverse audit findings, potential adjustments to indirect rates (both prospective and retroactive for prior periods), and in some cases further penalties under other FAR provisions governing defective pricing, false claims, or unallowable cost penalties. The expressly unallowable cost categories are bright-line rules; contractors have clear notice from the FAR text, and the burden is on the contractor to maintain the accounting systems, internal controls, and documentation practices necessary to identify and exclude these costs.

Source: FAR 31.205, Selected costs Source: FAR 31.201-6, Accounting for unallowable costs Source: FAR 31.205-14, Entertainment costs Source: FAR 31.205-51, Costs of alcoholic beverages Source: FAR 31.205-8, Contributions or donations Source: FAR 31.205-15, Fines, penalties, and mischarging costs Source: FAR 31.205-20, Interest and other financial costs

Cost-reimbursement and time-and-materials contracts require interim indirect cost rates (commonly called billing rates or provisional billing rates) for voucher submission and payment during contract performance, because final indirect cost rates cannot be calculated until the contractor's fiscal year ends and actual incurred costs are known. Under FAR 42.704, the contracting officer (or cognizant Federal agency official) or auditor responsible for establishing final indirect cost rates under FAR 42.705 is also responsible for determining the contractor's billing rates. These rates are estimates applied by the contractor when preparing public vouchers (Standard Form 1034 or electronic equivalent) to bill indirect costs on cost-reimbursement contracts during the fiscal year, subject to adjustment when final rates are established through the year-end incurred-cost audit and negotiation process.

Establishing billing rates — the FAR 42.704(b) standard. FAR 42.704(b) requires the contracting officer or auditor to "establish billing rates on the basis of information resulting from recent review, previous rate audits or experience, or similar reliable data or experience of other contracting activities." The regulation further instructs that the billing rates should be "as close as possible to the final indirect cost rates anticipated for the contractor's fiscal period, as adjusted for any unallowable costs." In practice, billing rates are most commonly derived from the contractor's prior fiscal year's final indirect cost rates (as audited and settled by DCAA under FAR 42.705), adjusted for known changes expected in the upcoming fiscal year: elimination of nonrecurring costs from the prior year (one-time consulting fees, litigation settlements, restructuring expenses), exclusion of unallowable costs identified in prior audits (entertainment under FAR 31.205-14, fines under FAR 31.205-15, excess compensation over the benchmark cap under FAR 31.205-6(p), alcohol under FAR 31.205-51), and recognition of new or changed conditions (planned headcount growth, new facility leases, changes in business mix, anticipated inflation, won or lost contracts).

Contractor submission of a billing rate proposal. Although FAR 42.704 does not explicitly mandate that the contractor submit a formal billing rate proposal, industry practice — reinforced by DCAA audit guidance and the Allowable Cost and Payment clause at FAR 52.216-7(e) — is that contractors proactively submit a billing rate proposal at or near the start of each fiscal year. The proposal typically includes: (1) projected indirect cost pools (fringe, overhead, G&A, and any other indirect pools the contractor uses) with line-item detail for each major cost category; (2) projected allocation bases (direct labor dollars, total labor dollars, total cost input, or other bases per the contractor's established accounting practice under FAR 31.203); (3) the resulting proposed billing rates (calculated as projected pool ÷ projected base); and (4) supporting documentation explaining how the contractor developed the projections (budget, headcount plan, historical growth trends, known cost increases or decreases, reconciliation to the prior year's actuals with explanations of variances).

When the contractor does not submit a billing rate proposal — or submits one that the contracting officer or auditor finds unreliable — FAR 42.704(b) authorizes the government to unilaterally establish billing rates. The regulation provides: "When the contracting officer (or cognizant Federal agency official) or auditor determines that the dollar value of contracts requiring use of billing rates does not warrant submission of a detailed billing rate proposal, the billing rates may be established by making appropriate adjustments from the prior year's indirect cost experience to eliminate unallowable and nonrecurring costs and to reflect new or changed conditions." This gives the government authority to set billing rates based on historical data even if the contractor did not submit a forward-looking proposal. Contractors that allow the government to unilaterally establish billing rates lose the opportunity to explain anticipated changes in their cost structure and may end up with rates that are too low (causing cash-flow problems because billings lag costs incurred) or too high (leading to overbilling and a payback obligation at year-end).

Revision of billing rates during the fiscal year. FAR 42.704(c) provides that "once established, billing rates may be prospectively or retroactively revised by mutual agreement of the contracting officer (or cognizant Federal agency official) or auditor and the contractor at either party's request, to prevent substantial overpayment or underpayment." When the parties cannot agree on a revision, the contracting officer or cognizant Federal agency official may unilaterally determine the revised billing rates. This is the mechanism for mid-year billing rate adjustments when the contractor's actual cost experience deviates significantly from the projections used to establish the initial billing rates. For example, if a contractor projected 10% headcount growth but instead experienced a 30% reduction in force due to an unanticipated contract loss, the overhead and G&A pools will be lower than projected and the allocation bases will be lower, but the rate (pool ÷ base) may shift unpredictably; depending on whether the cost reduction is concentrated in the pools (indirect labor layoffs) or the bases (direct labor layoffs), the rate could increase or decrease. Either party may request a billing rate revision when monitoring reveals that the rates are no longer close to the anticipated final rates.

Contractors should monitor actual indirect rates monthly or at least quarterly during the fiscal year by calculating actual pool costs incurred to date ÷ actual base costs incurred to date, comparing the resulting actual rate to the billing rate, and projecting whether the year-end final rate is likely to be materially higher or lower than the billing rate. Significant deviations — typically defined by DCAA and contracting officers as variances of 10% or more, or dollar variances that would result in over- or underbilling exceeding a materiality threshold (often $50,000 or 5% of contract value) — should trigger a request to revise billing rates. Failure to monitor and adjust billing rates can result in overbilling (which creates a payback obligation at year-end and may trigger a DCAA accounting system deficiency finding under DFARS 252.242-7006(c)(16), which requires that "billings … can be reconciled to the cost accounts for both current and cumulative amounts claimed and comply with contract terms") or underbilling (which delays receipt of funds the contractor has already earned and can create working-capital strain).

Non-binding nature of billing rates. FAR 42.704(d) expressly provides: "The elements of indirect cost and the base or bases used in computing billing rates shall not be construed as determinative of the indirect costs to be distributed or of the bases of distribution to be used in the final settlement." This means billing rates are purely interim estimates for cash-flow purposes under the Allowable Cost and Payment clause (FAR 52.216-7). The government is not bound by the billing rate structure, and establishment of billing rates does not constitute approval of the contractor's cost accounting practices, indirect cost pool composition, or allocation base methodology. When final rates are established under FAR 42.705 after the contractor submits its certified incurred-cost proposal and DCAA completes the audit, the contracting officer or auditor may challenge the composition of the indirect cost pools, the allocation bases, the treatment of specific cost items as direct versus indirect, or the allowability of individual costs — even if those same elements were reflected in the billing rates used during the year. Billing rates enable interim reimbursement; they do not determine final allowable cost recovery.

Adjustment to final rates at fiscal year-end. Under FAR 52.216-7(e), the Allowable Cost and Payment clause included in nearly all cost-reimbursement contracts, "until final annual indirect cost rates are established for any period, the Government shall reimburse the Contractor at billing rates established by the Contracting Officer or by an authorized representative (for example, the contract auditor), subject to adjustment when the final rates are established." At fiscal year-end, the contractor submits a certified incurred-cost proposal (commonly called the "ICP" or "final indirect cost rate proposal") under FAR 52.216-7(d) showing actual incurred indirect costs and actual allocation bases for the completed fiscal year. DCAA audits the submission, and the contracting officer (or cognizant Federal agency official) negotiates and establishes final indirect cost rates under FAR 42.705-1 (contracting-officer-determined rates) or FAR 42.705-2 (auditor-determined rates). The contractor then submits an adjustment voucher (a public voucher recalculating all prior billings for the fiscal year using the final rates instead of the billing rates) to reconcile any over- or under-recovery. If the billing rates were lower than the final rates, the contractor bills the difference as a receivable from the government; if the billing rates were higher than the final rates, the contractor credits the difference as a payable. This adjustment is mandatory under FAR 52.216-7(e), and contractors that fail to submit adjustment vouchers within a reasonable time after final rates are established (typically 60–90 days) risk DCAA deficiency findings during accounting system audits.

FAR 42.704(e) permits the contractor and the government to mutually agree to revise billing rates after the contractor submits the incurred-cost proposal (but before final rates are audited and settled) to incorporate the proposed final rates from the incurred-cost submission, adjusted for a "historical decrement" — a percentage reduction based on unallowable costs identified in prior years' audits — thereby reducing the size of the final adjustment and improving cash-flow predictability during the months-long final rate audit and negotiation process.

Forward pricing rate agreements (FPRAs) under FAR Subpart 42.17 — an alternative for high-volume contractors. Contractors with a significant volume of Government contract proposals (typically five or more proposals per year, or anticipated annual government contract awards exceeding $200 million per DCMA practice) may negotiate a forward pricing rate agreement (FPRA) under FAR Subpart 42.17. An FPRA is a formalized, negotiated agreement between the contractor and the administrative contracting officer (ACO) that establishes specific indirect cost rates (and often other forward-pricing factors such as labor escalation rates or material handling rates) for a specified period (typically one or more fiscal years) for use in pricing proposals for new contracts and modifications and for interim billing on cost-reimbursement contracts. Under FAR 42.1701(a), the ACO, the contractor, or a buying contracting officer may initiate FPRA negotiations, but the cognizant contract administration agency determines whether an FPRA will be established based on whether "the benefits to be derived from the agreement are commensurate with the effort of establishing and monitoring it."

The FPRA rates are binding for proposal pricing purposes during the agreement's term (subject to the agreement's cancellation and change-in-circumstances provisions), which streamlines the proposal evaluation process because the government does not need to audit forward-pricing rates separately for each procurement. However, FPRA rates remain estimates for purposes of final cost recovery; at fiscal year-end, the contractor still submits an incurred-cost proposal showing actual costs, and final rates established under FAR 42.705 govern the ultimate allowable cost recovery, with over- or under-billing reconciled via adjustment vouchers. FAR 42.1701(c) requires the FPRA to include cancellation provisions at the option of either party and to require the contractor to promptly notify the ACO and auditor of any significant change in cost or pricing data that would affect the validity of the agreed rates. When an FPRA has not been established or has been invalidated, the ACO issues a forward pricing rate recommendation (FPRR) — a non-binding advisory document — to assist buying contracting officers in evaluating the contractor's proposed rates on a case-by-case basis.

Contractors without an FPRA use the billing rates established under FAR 42.704 for interim billing and submit contract-specific forward-pricing rate proposals (as part of their cost proposals) when bidding on new cost-reimbursement contracts or modifications.

Source: FAR 42.704, Billing rates Source: FAR 52.216-7, Allowable Cost and Payment Source: FAR 42.1701, Procedures (Forward Pricing Rate Agreements) Source: FAR Subpart 42.17, Forward Pricing Rate Agreements

Under FAR 42.709 and the contract clause at FAR 52.242-3, contractors that include unallowable indirect costs in a final indirect cost rate proposal or final cost statement may be subject to monetary penalties in addition to the cost disallowance itself. The penalty regime is statutory — mandated by 10 U.S.C. § 3748 (Department of Defense, NASA, and Coast Guard contracts) and 41 U.S.C. Chapter 43 (civilian agency contracts) — and the contracting officer has little discretion in assessing or waiving penalties once the statutory conditions are met. The penalties are severe (up to double the disallowed cost, plus interest) and can be imposed on top of other civil and criminal consequences, including False Claims Act exposure and suspension or debarment. Contractors must understand when the penalties apply, how they are calculated, and the narrow circumstances in which the contracting officer must waive them.

Contracts covered. Under FAR 42.709-1(b), the penalty provisions apply to all "covered contracts" — contracts valued at more than $750,000 (the threshold was raised from $700,000 to $750,000 effective August 2018, and it adjusts for inflation every five years under 41 U.S.C. § 4302) — except fixed-price contracts without cost incentives and firm-fixed-price contracts for commercial products or commercial services. This means the penalties apply to cost-reimbursement contracts, time-and-materials contracts, labor-hour contracts, fixed-price incentive contracts, and fixed-price contracts with award fees or other cost-based elements when the contract value exceeds the threshold. For contracts valued at or below $750,000, the FAR 52.242-3 clause is not required and the statutory penalties do not apply — though cost disallowances still occur under the allowable-cost clauses (FAR 52.216-7), and the government may pursue False Claims Act remedies or criminal prosecution for knowing submission of unallowable costs regardless of contract value.

What constitutes a "proposal" subject to penalties. FAR 52.242-3(a) defines "proposal" as either (1) a final indirect cost rate proposal submitted by the contractor after the expiration of its fiscal year that relates to payments made on the basis of billing rates or will be used to negotiate the final contract price, or (2) the final statement of costs incurred and estimated to be incurred under the Incentive Price Revision clause (FAR 52.216-16), used to establish final contract price. In practice, this means the principal target of the penalty regime is the contractor's incurred cost submission (ICS) — the certified final indirect cost rate proposal required under FAR 52.216-7(d) after fiscal year-end. The penalty can also apply to a final cost statement under a fixed-price incentive contract. The penalty does not apply to forward pricing rate proposals, billing rate proposals, or cost proposals on new contract awards; it applies to retrospective cost submissions — the contractor's accounting of actual costs incurred during a completed cost accounting period.

The two penalty tiers: expressly unallowable costs vs. previously determined unallowable costs. FAR 42.709-2 and FAR 52.242-3(d)–(e) establish a two-tier penalty structure depending on whether the contractor had prior notice that the cost was unallowable:

1. First-tier penalty for expressly unallowable costs (FAR 52.242-3(d)). If the contracting officer determines that a cost submitted in the contractor's proposal is expressly unallowable under a cost principle in the FAR or an executive agency supplement that defines the allowability of specific selected costs, the contractor shall be assessed a penalty equal to: (a) the amount of the disallowed cost allocated to the contract, plus (b) simple interest on the amount the contractor was paid in excess of the amount to which it was entitled, using the rate prescribed by the Secretary of the Treasury under Pub. L. 92-41 (85 Stat. 97) for each six-month interval. (The Treasury rate is the rate used for contract debt under the Debt Collection Improvement Act, historically published semi-annually.) This is effectively a repayment of the overpayment with interest — the contractor must return the disallowed cost plus the time value of money the government lost by having paid it in the first place.

1. Second-tier penalty for previously determined unallowable costs (FAR 52.242-3(e)). If the contracting officer determines that a cost submitted in the contractor's proposal was previously determined to be unallowable for that contractor, the contractor shall be assessed a penalty equal to two times the amount of the disallowed cost allocated to the contract. This is a true punitive penalty — the contractor must pay back the disallowed cost twice. No interest is explicitly added under the clause, but the base penalty is double. The second-tier penalty applies when the contractor has clear, documented notice from a prior audit, contracting officer final decision, or board or court decision that the specific cost category or specific cost item is unallowable for that contractor, yet the contractor submitted the same cost again in a later proposal.

"Expressly unallowable" — a term of art requiring specificity. The term "expressly unallowable" is defined at FAR 2.101: a cost is expressly unallowable when it is "named and stated to be unallowable" by a cost principle in FAR Subpart 31.2 or an agency supplement. Not every cost disallowance triggers the penalty; the penalty applies only when the cost is specifically called out as unallowable by a FAR provision. Examples include alcoholic beverages (FAR 31.205-51 states flatly, "Costs of alcoholic beverages are unallowable"), entertainment (FAR 31.205-14 specifies that amusement, social activities, and directly associated costs are unallowable), contributions or donations (FAR 31.205-8), fines and penalties (FAR 31.205-15), and interest (FAR 31.205-20). The reasonableness standard at FAR 31.205-6(b) or FAR 31.201-3, by contrast, does not make costs "expressly" unallowable; a cost disallowed solely on reasonableness grounds — i.e., because it exceeded what a prudent person would incur — is not subject to the statutory penalty. The government and DCAA sometimes attempt to read "expressly unallowable" more broadly to encompass any cost disallowed under a specific FAR subsection, but board and court decisions have held that "expressly" means the FAR text must identify the cost in "direct or unmistakable terms" as unallowable.

"Previously determined to be unallowable" — the evidentiary standard. FAR 42.709-4(b) specifies that prior determinations of unallowability may be evidenced by: (1) a DCAA Form 1 (Notice of Contract Costs Suspended and/or Disapproved) or similar notice that the contractor elected not to appeal and that was not withdrawn by the government; (2) a contracting officer final decision that was not appealed; (3) a prior board of contract appeals or court decision involving the contractor that upheld the cost disallowance; or (4) a determination in a prior year's indirect cost audit that became final (i.e., the contractor did not dispute it and it was incorporated into a final indirect cost rate agreement under FAR 42.705). The determination must relate to the same contractor — a cost disallowed for another contractor or another business segment does not trigger the second-tier penalty for this contractor unless the cost principle itself makes it expressly unallowable. Also, the determination must relate to the same type of cost — a prior disallowance of advertising costs under FAR 31.205-1 does not put the contractor on notice that interest costs under FAR 31.205-20 are unallowable (though both are expressly unallowable under their respective provisions).

Assessment mechanics. Under FAR 42.709-4, the cognizant contracting officer (or administrative contracting officer) shall assess the penalty when the conditions are met, unless a waiver is granted under FAR 42.709-6. The contracting officer's determination that a penalty applies is a final decision under the Contract Disputes Act (41 U.S.C. Chapter 71), which the contractor may appeal to the cognizant board of contract appeals or to the Court of Federal Claims. The penalty assessment is made after the contracting officer (or the auditor and contracting officer jointly) complete the audit of the contractor's incurred cost submission and determine which costs are allowable and which are not; the penalty is then calculated based on the disallowed costs that are expressly or previously determined to be unallowable. FAR 42.709-5 requires the contracting officer to document in the contract file the rationale for any penalty assessment or waiver.

Mandatory waiver conditions under FAR 42.709-6. The statute and regulation require the contracting officer to waive the penalty under three specific conditions (note the use of "shall" in the regulation — the waiver is mandatory, not discretionary, when the conditions are met):

(a) Withdrawal before audit. The penalty shall be waived if the contractor withdraws the proposal before the formal initiation of a government audit and resubmits a revised proposal that removes the unallowable costs. FAR 42.709-6(a) specifies that an audit is considered formally initiated when the government provides the contractor with written notice that an audit has begun or holds an entrance conference for the audit. If the contractor self-identifies unallowable costs in its incurred cost submission and withdraws and corrects the submission before DCAA or another government auditor formally starts the audit, the penalty is waived. This provision incentivizes contractors to perform thorough internal reviews before submitting the ICS and to self-correct errors discovered after submission but before the audit. Critically, the waiver applies only if the contractor resubmits a revised proposal — merely notifying the government of the error is not sufficient; the contractor must submit a corrected ICS excluding the unallowable costs.

(b) De minimis exception. The penalty shall be waived if the amount of the unallowable costs subject to the penalty is $10,000 or less allocated to the contracts covered by FAR 42.709-1(b) (i.e., the amount of expressly or previously determined unallowable costs allocable to covered contracts exceeding $750,000 in value is $10,000 or less). This is a small-dollar exception; the government does not expend administrative resources to assess penalties on trivial amounts. The $10,000 threshold is measured across all expressly unallowable and previously determined unallowable costs in the submission that are allocated to covered contracts — it is not a per-cost-category or per-contract threshold.

(c) Inadvertent inclusion despite adequate controls. The penalty shall be waived if the contractor demonstrates, to the cognizant contracting officer's satisfaction, that (1) the contractor has established policies and personnel training and an internal control and review system that provide assurance that unallowable costs subject to penalties are precluded from being included in the contractor's final indirect cost rate proposal, and (2) the unallowable costs subject to the penalty were inadvertently incorporated into the proposal — i.e., their inclusion resulted from an unintentional error, notwithstanding the exercise of due care. This two-part test is conjunctive: the contractor must prove both that it has adequate controls and that the inclusion was inadvertent. The burden is on the contractor to demonstrate both prongs to the contracting officer's satisfaction. FAR 42.709-6(c)(1) requires the contractor to demonstrate that its policies and training provide assurance that penalties-subject costs are precluded from inclusion — not merely detected or flagged, but actually prevented. The second prong — inadvertence — requires the contractor to show that the error was unintentional and that the contractor exercised due care. Recent board decisions (including ASBCA No. 62458, Left Hand Design Corporation, Nov. 7, 2024) have underscored that these are not alternative requirements; the contractor cannot satisfy only one prong. A contractor that lacks documented policies and training cannot obtain a waiver even if the inclusion was genuinely an accident, and a contractor with robust policies cannot obtain a waiver if the contracting officer concludes that the inclusion was knowing or resulted from failure to follow the contractor's own procedures.

Practical implications of the inadvertence waiver. The inadvertence waiver is the most frequently litigated and contested aspect of the penalty regime. DCAA auditors and contracting officers are trained to scrutinize whether the contractor knew or should have known that the cost was unallowable, and the government often takes the position that a contractor with repeat or material unallowable-cost findings lacks the "adequate controls" required by prong (1). Contractors should implement and document the following to maximize the prospect of a waiver: (1) written policies that identify FAR Part 31 expressly unallowable cost categories and require exclusion of those costs from indirect cost pools; (2) documented training for accounting staff, timekeepers, expense approvers, and managers on unallowable costs (including attendance records, training materials, and refresher courses); (3) general-ledger account structures that segregate unallowable costs at the time costs are incurred (separate GL accounts for alcohol, entertainment, charitable contributions, fines, interest, etc.); (4) internal review and certification procedures requiring one or more individuals (other than the preparer) to review the incurred cost submission before it is submitted and certify that unallowable costs have been excluded; and (5) documentation of the error when unallowable costs are discovered post-submission — a written analysis showing how the error occurred, why it was unintentional, and what corrective action has been implemented to prevent recurrence. Without contemporaneous documentation of policies, training, and controls, the contractor will struggle to satisfy prong (1), and the waiver will be denied.

Other consequences beyond the penalty. FAR 52.242-3(h) clarifies that payment of the penalty does not constitute repayment to the government of the unallowable cost itself. The contractor must pay the penalty and repay the unallowable cost. For a first-tier penalty, this means the contractor pays back the disallowed cost, pays interest on the overpayment, and the total recovery to the government is (disallowed cost + interest); for a second-tier penalty, the contractor pays back the disallowed cost and pays a penalty equal to twice the disallowed cost, so the total recovery is three times the disallowed amount. FAR 42.709-2(b) further provides that the penalties are in addition to other administrative, civil, and criminal penalties provided by law. This means a contractor that knowingly includes expressly unallowable costs in an incurred cost submission can face FAR 42.709 penalties and False Claims Act liability under 31 U.S.C. § 3729 and criminal prosecution under 18 U.S.C. § 287 (false claims) or 18 U.S.C. § 1001 (false statements). Additionally, FAR 42.709-3 requires the contracting officer and auditor to consider referring the matter to the appropriate criminal investigative organization (DCIS, FBI, IGs) when there is evidence that the contractor knowingly submitted unallowable costs, and the contracting officer must coordinate with suspension and debarment officials when appropriate. Contractors should treat any penalty assessment as a serious compliance event requiring legal counsel and immediate corrective action.

Dispute resolution. Because penalty assessments under FAR 52.242-3(d) and (e) are final decisions within the meaning of 41 U.S.C. Chapter 71 (the Contract Disputes Act), contractors may appeal the penalty to the cognizant board of contract appeals (ASBCA, CBCA, etc.) or to the Court of Federal Claims within 90 days of receipt of the final decision. The board or court will review whether the contracting officer's determination that the cost was expressly unallowable or previously determined to be unallowable was correct, whether the penalty calculation was accurate, and whether the contracting officer abused discretion in denying a waiver under FAR 42.709-6(c). The burden is on the contractor to prove entitlement to a waiver; the government need only prove that the cost was expressly unallowable (by citing the FAR provision) or previously determined unallowable (by producing a DCAA Form 1, final decision, or prior board/court ruling). Appeals of penalty assessments are common and have generated substantial board and Court of Federal Claims jurisprudence interpreting the scope of "expressly unallowable," the meaning of "inadvertent," and the adequacy of contractor controls.

Source: FAR 42.709, Penalties for Unallowable Costs Source: FAR 52.242-3, Penalties for Unallowable Costs (clause) Source: 10 U.S.C. § 3748, Penalties for submission of cost known as not allowable Source: 41 U.S.C. Chapter 43, Allowable Costs Source: FAR 42.709-6, Waiver of the penalty

When certified cost or pricing data submitted by a contractor or subcontractor turn out to have been inaccurate, incomplete, or noncurrent as of the date of agreement on the contract price (or modification price), the government is entitled to a downward price adjustment under the defective-pricing statute codified at 10 U.S.C. § 3706 (DoD, NASA, Coast Guard) and 41 U.S.C. § 3506 (civilian agencies), implemented by the mandatory contract clause at FAR 52.215-10 (Price Reduction for Defective Certified Cost or Pricing Data). This remedy is automatic, applies whether or not the contractor acted in good faith, and operates through a series of statutory presumptions that place the burden of proof on the contractor. Defective-pricing price adjustments are distinct from other consequences such as False Claims Act liability or suspension and debarment; the defective-pricing remedy is a contract-price correction mechanism, not a penalty (though a penalty for knowing submission of defective data is superimposed by statute and clause).

What constitutes defective cost or pricing data. Under 10 U.S.C. § 3706(a)(2) and 41 U.S.C. § 3506(a)(2), defective cost or pricing data are cost or pricing data that, as of the date of agreement on the price of the contract (or another date agreed upon between the parties), were inaccurate, incomplete, or noncurrent. This is a bright-line temporal test: the data are measured for accuracy, completeness, and currency as of the certification date — ordinarily the date of final price agreement (the date the parties signed the contract or modification), or an earlier date mutually agreed upon and specified in the Certificate of Current Cost or Pricing Data. The statute and clause do not require the government to prove that the contractor knew the data were defective or that the contractor acted negligently; strict liability applies. If the data certified as accurate, complete, and current as of the certification date were in fact inaccurate, incomplete, or noncurrent as of that date, they are defective, and the price-adjustment remedy is available to the government.

Inaccurate means factually wrong — a vendor quote was $10,000 but the contractor submitted it as $15,000; a labor rate was $50/hour but the contractor's proposal showed $60/hour; a material cost had dropped but the contractor used the old higher price. Incomplete means the contractor possessed cost or pricing data within the statutory definition (facts a prudent buyer or seller would reasonably expect to affect price negotiations significantly) but did not disclose them — the contractor received a lower vendor quote but submitted only the higher quote, or the contractor had historical actual costs that were lower than the estimates but did not disclose the actuals. Noncurrent means the data were accurate when initially prepared but became outdated before the certification date, and the contractor did not update them — a vendor quote received six months before contract award was superseded by a lower quote one week before award, but the contractor certified the older quote as current.

The mandatory price-adjustment clause. FAR 52.215-10 is prescribed by FAR 15.408(b) and must be included in every solicitation and contract when it is contemplated that certified cost or pricing data will be required from the contractor or any subcontractor. (For modifications, FAR 52.215-11, Price Reduction for Defective Certified Cost or Pricing Data—Modifications, applies and becomes operative only for modifications exceeding the TINA threshold; the mechanics and defenses are nearly identical to FAR 52.215-10.) Paragraph (a) of FAR 52.215-10 states:

> "If any price, including profit or fee, negotiated in connection with this contract, or any cost reimbursable under this contract, was increased by any significant amount because (1) the Contractor or a subcontractor furnished certified cost or pricing data that were not complete, accurate, and current as certified … or (3) any of these parties furnished data of any description that were not accurate, the price or cost shall be reduced accordingly and the contract shall be modified to reflect the reduction."

Note that paragraph (a)(3) sweeps more broadly than certified cost or pricing data alone; it covers "data of any description that were not accurate," which courts and boards have interpreted to include information that does not meet the statutory definition of cost or pricing data but that nevertheless affected price. The clause is self-executing: when the conditions are met, the contractor "shall" agree to a price reduction, and the contract "shall be modified" to reflect the reduction. The price adjustment is not discretionary.

The price-increase causation standard and the dollar-for-dollar presumption. The government must prove two elements to recover under the clause: (1) the data were defective (inaccurate, incomplete, or noncurrent as of the certification date), and (2) the contract price "was increased by any significant amount" because of the defective data. The statute at 10 U.S.C. § 3706(a)(1) and the implementing clause at FAR 52.215-10(a) both use the phrase "increased … because" — this is the causation requirement. However, the government's burden on causation is minimal because of the rebuttable presumption established by case law (codified implicitly in the structure of the statute and clause): once the government proves that defective data were submitted and that the defective data related to a cost element in the contract price, there is a rebuttable presumption that (a) the government relied on the defective data in negotiating the contract price, and (b) the price was increased dollar-for-dollar by the amount of the defect.

The dollar-for-dollar presumption means that if the contractor certified a vendor quote of $15,000 when the contractor actually had a quote for $10,000, the government is presumed to have relied on the $15,000 figure and the contract price is presumed to have been increased by $5,000 (plus the associated overhead, G&A, and profit applied to that $5,000 base cost). The contractor may rebut these presumptions, but the burden is on the contractor to prove that the government did not rely on the defective data or that the price would not have been different had accurate data been submitted. In practice, rebuttal is extraordinarily difficult.

The sole valid defense: lack of government reliance. Under 10 U.S.C. § 3706(b) and 41 U.S.C. § 3506(b), and implemented in FAR 52.215-10(c)(2), the only valid affirmative defense to a defective-pricing price adjustment is that "the United States did not rely on the defective data submitted by the contractor or subcontractor." To prevail on this defense, the contractor must prove that the contracting officer (or the government cost analyst or auditor supporting the contracting officer) was independently aware of the accurate data — for example, the contracting officer had already obtained the correct vendor quote from another source, or the government's own cost estimate already reflected the lower cost — and that the contracting officer did not use or consider the contractor's defective data in reaching the negotiated price. If the contractor can show that the government negotiator had the correct information and negotiated the price without reference to the contractor's submission, the price adjustment is barred. This defense almost never succeeds, because the government's negotiation memorandum and price negotiation memorandum (PNM) ordinarily document reliance on the contractor's submitted data.

Invalid defenses enumerated by statute and clause. The statute at 10 U.S.C. § 3706(c) and 41 U.S.C. § 3506(c) and the clause at FAR 52.215-10(c)(1) explicitly provide that it is not a defense to a price adjustment that:

1. The contractor was a sole source or in a superior bargaining position, and thus the price would not have been modified even if accurate data had been submitted. The government is entitled to the price reduction even if the contractor could have demanded (and the government would have paid) the higher price in an arm's-length negotiation. The statutory regime is about information asymmetry, not bargaining power.

1. The contracting officer should have known the data were defective, even though the contractor took no affirmative action to bring the defect to the contracting officer's attention. Contractors may not rely on the argument that the government's cost analysts "should have caught" the error or "should have questioned" an unreasonable estimate. The certification imposes an affirmative duty on the contractor to disclose accurate, complete, and current data; the government is entitled to rely on the certification.

1. The contract was based on an agreement about total cost with no agreement about the cost of each item. Even if the parties negotiated a lump-sum price, defective data underlying any cost element support a price adjustment.

1. The contractor did not submit the required certification. Under 10 U.S.C. § 3706(c)(4) and 41 U.S.C. § 3506(c)(4), failure to submit the certificate does not insulate the contractor from the price-adjustment remedy; if cost or pricing data were required and were submitted, the contractor is liable for any defects whether or not the certificate was executed. (Failure to certify is itself a separate compliance violation and may trigger other remedies, but it does not defeat the defective-pricing price adjustment.)

These are exclusive invalid defenses enumerated by statute. Contractors frequently attempt other defenses in litigation — for example, arguing that the defective data were immaterial, that the government negotiated the price on a different basis, that the contractor made a good-faith mistake, or that the data were reasonably available to the government from public sources. None of these arguments constitute valid defenses under the statute. The only question is whether the government actually relied on the defective data; if it did, the price adjustment follows.

Calculating the price adjustment — the "increased because" formula. The price adjustment is the amount by which the contract price, including profit or fee, was increased because of the defective data. The standard methodology is:

• Step 1: Identify the defective cost element (e.g., a vendor quote, a labor rate, a material cost, an overhead rate).
• Step 2: Determine the difference between the defective data as submitted and the accurate, complete, and current data that should have been submitted as of the certification date. For example, if the contractor submitted a vendor quote of $15,000 but had a quote of $10,000 as of the certification date, the defect is $5,000.
• Step 3: Apply the contract's cost buildup to that defect. If the $5,000 defect was a direct material cost, add the material overhead rate, the G&A rate, and the profit rate that were negotiated in the contract. If those rates were 10% material overhead, 15% G&A, and 10% profit, the fully burdened impact is approximately $5,000 × 1.10 × 1.15 × 1.10 ≈ $6,983 (the precise calculation depends on the contract's rate structure and whether rates are applied to base or cumulative amounts).
• Step 4: The contract price is reduced by the amount calculated in Step 3, and the contract is modified to reflect the reduction. Under FAR 52.215-10(a), this is a mandatory bilateral modification.

The government bears the burden of proving Steps 1 and 2 (that the data were defective and quantifying the defect). The burden then shifts to the contractor to rebut the presumption that the price was increased dollar-for-dollar (Step 3). If the contractor does not rebut the presumption, the government's calculation in Step 3 stands.

When defective data affect indirect cost rates (for example, the contractor submitted an estimated overhead rate of 120% but the contractor's actual incurred overhead rate for the fiscal year covering the proposal preparation period was 100%, and the contractor knew or should have known the lower rate was more current), the analysis is more complex because the defect must be traced through the indirect cost pools and allocation bases, but the same dollar-for-dollar presumption applies.

Interest on overpayments. Under 10 U.S.C. § 3707(a)(1) and 41 U.S.C. § 3507(a)(1), and implemented in FAR 52.215-10(d)(1), if the defective-pricing price reduction applies to contract line items for which the government already made payment, the contractor is liable for interest on the overpayment amount. The interest is compounded daily at the rate prescribed by the Secretary of the Treasury under 26 U.S.C. § 6621(a)(2) (the same underpayment rate used for tax underpayments under the Internal Revenue Code, historically in the range of 3–8% depending on the federal short-term rate). Interest runs from the date(s) of overpayment to the contractor to the date the contractor repays the government. The government will issue a demand letter or contracting officer final decision specifying the principal adjustment amount and the accrued interest through a computation date; interest continues to accrue daily until repayment.

Penalty for knowing submission. Under 10 U.S.C. § 3707(a)(2) and 41 U.S.C. § 3507(a)(2), and implemented in FAR 52.215-10(d)(2), if the contractor or subcontractor knowingly submitted defective certified cost or pricing data, the contractor is liable for an additional penalty equal to the amount of the overpayment. "Knowingly" is not defined in the statute, but board and court decisions have held that it requires proof that the contractor had actual knowledge that the data were inaccurate, incomplete, or noncurrent as of the certification date, or acted with deliberate ignorance or reckless disregard of the truth or falsity of the data. Negligence or constructive knowledge ("should have known") is not sufficient for the penalty. The knowing-submission penalty effectively doubles the contractor's liability: the contractor must repay the overpayment (the price adjustment) plus pay a penalty equal to the overpayment, plus pay interest on the overpayment. The penalty is in addition to any other administrative, civil, or criminal penalties that may apply, including False Claims Act treble damages under 31 U.S.C. § 3729.

Application to subcontractor defective data. Under FAR 52.215-10(a)(2), the government's price-adjustment right applies when "a subcontractor or prospective subcontractor furnished the Contractor certified cost or pricing data that were not complete, accurate, and current as certified in the Contractor's Certificate of Current Cost or Pricing Data." This means the prime contractor certified the subcontractor's data as part of the prime's own cost or pricing data submission, and if the subcontractor's data were defective, the government may reduce the prime contract price by the amount the prime contract price was increased because of the defective subcontractor data. The prime contractor has the right to seek recourse against the defective subcontractor (the flowdown clauses at FAR 52.215-12 and FAR 52.215-13 require the subcontractor to agree to a price reduction in the subcontract), but the government's remedy runs directly against the prime contract price. Under FAR 52.215-10(b), if the defective data came from a prospective subcontractor that was not ultimately awarded the subcontract, the price reduction is limited to the difference between the defective prospective subcontract cost estimate and the actual subcontract price (or actual cost if no subcontract was awarded), plus applicable overhead and profit markup — ensuring that the government is not charged for a cost that was never incurred.

Significance threshold. Both the statute (10 U.S.C. § 3706(a)(1), 41 U.S.C. § 3506(a)(1)) and the clause (FAR 52.215-10(a)) apply only when the price "was increased by any significant amount" because of the defective data. The statute and clause do not define "significant amount," and there is no universal dollar threshold. Board and court decisions have held that significance is evaluated on a case-by-case basis considering the absolute dollar amount of the defect, the percentage of the contract price, and the context. Defects of a few hundred dollars on multimillion-dollar contracts are typically deemed insignificant and do not support a price adjustment (though the government may still assert them in a larger defective-pricing claim to demonstrate a pattern). Defects exceeding one percent of the contract price, or exceeding $10,000 in absolute terms, are typically found significant. The significance threshold is a gate: it does not reduce the amount of the adjustment, it determines whether an adjustment is warranted at all.

Defective pricing vs. other TINA remedies. The defective-pricing price-adjustment remedy under 10 U.S.C. § 3706 / 41 U.S.C. § 3506 and FAR 52.215-10 is not a penalty; it is a correction of the contract price to the level that would have been negotiated had accurate, complete, and current data been submitted. Other consequences for submission of defective cost or pricing data may apply separately: False Claims Act liability under 31 U.S.C. § 3729 (if the contractor knowingly presented a false claim for payment under the inflated contract price), criminal prosecution under 18 U.S.C. § 287 or 18 U.S.C. § 1001, suspension and debarment under FAR Subpart 9.4, and administrative penalties under the Program Fraud Civil Remedies Act (31 U.S.C. §§ 3801–3812). The defective-pricing price adjustment is independent of these other remedies and does not require proof of intent to defraud; it applies whenever the statutory conditions (defective data, reliance, price increase) are met.

Right to examine records. The defective-pricing statute cross-references the government's right to examine the contractor's records under 10 U.S.C. § 3708 and 41 U.S.C. § 3508 to verify the accuracy of certified cost or pricing data. DCAA post-award defective-pricing audits are conducted under this authority. The statute of limitations for asserting a defective-pricing claim is governed by the Contract Disputes Act (41 U.S.C. § 7103(a)(4)(A)); the government has six years from the accrual of the claim — typically six years from contract award or final payment, depending on the nature of the defect and when the government discovered or should have discovered it.

Practical compliance — how contractors avoid defective-pricing exposure. The certification at FAR 15.406-2 requires the contractor to certify that, to the best of the contractor's knowledge and belief, the cost or pricing data are accurate, complete, and current as of the date of price agreement (or other agreed certification date). To satisfy this certification and avoid defective-pricing liability, contractors should:

• Update cost or pricing data continuously through the date of final price agreement. If a lower vendor quote is received, or if historical actual costs become available, or if labor rates change, or if a cost estimate is refined, the contractor must update the data and either submit a revised proposal or notify the contracting officer in writing before signing the contract. The certification date is the date the contractor signs the certificate (ordinarily the date of contract award or modification execution); the data must be current as of that date, not as of the date the proposal was initially submitted.

• Disclose all data meeting the statutory definition. The definition of cost or pricing data at 10 U.S.C. § 3701(1) and 41 U.S.C. § 3501(a)(1) is broad: "all facts … that a prudent buyer or seller would reasonably expect to affect price negotiations significantly." If the contractor is uncertain whether particular information constitutes cost or pricing data, the safer course is to disclose it with a note that it is provided for informational purposes, rather than risk a later defective-pricing claim based on non-disclosure.

• Maintain a certification checklist and final review process. Before the contractor's authorized representative signs the Certificate of Current Cost or Pricing Data, a senior manager (other than the proposal preparer) should review the proposal against a checklist of common defective-pricing issues: Have all vendor quotes been updated? Have we disclosed any lower quotes received? Have we disclosed actual costs if they are lower than estimates? Have labor rates been updated to reflect current salary data? Have indirect rates been updated to reflect the most recent incurred-cost data or forward pricing rate agreement? Has the proposal been updated to reflect any changes in the period between proposal submission and price agreement?

• Document the basis for every significant cost estimate and maintain a proposal support file that will permit the contractor to demonstrate — in a post-award DCAA defective-pricing audit — that the cost or pricing data submitted were in fact accurate, complete, and current as of the certification date, or that any data the government claims were not disclosed were not in the contractor's possession or were not reasonably available (an extraordinarily high bar under the case law).

The defective-pricing remedy is one of the government's most potent post-award audit tools, and contractors that fail to rigorously update and certify their cost or pricing data face strict liability for price adjustments, interest, and — in cases of knowing submission — penalties equal to the overpayment, plus exposure to False Claims Act treble damages.

Source: 10 U.S.C. § 3706, Price reductions for defective cost or pricing data Source: 10 U.S.C. § 3707, Interest and penalties for certain overpayments Source: 41 U.S.C. § 3506, Price reductions for defective cost or pricing data Source: 41 U.S.C. § 3507, Interest and penalties for certain overpayments Source: FAR 52.215-10, Price Reduction for Defective Certified Cost or Pricing Data Source: FAR 15.407-1, Defective certified cost or pricing data

Under FAR 52.216-7(d), the Allowable Cost and Payment clause included in nearly all cost-reimbursement and time-and-materials contracts, contractors must submit an adequate final indirect cost rate proposal — commonly called an incurred-cost submission (ICS) or incurred-cost proposal (ICP) — within six months following the expiration of each fiscal year. This annual submission is the foundation for establishing final indirect cost rates, reconciling provisional billing rates to actual incurred costs, adjusting contract billings via over- or underbilling true-up, and triggering the DCAA audit process that leads to final rate negotiations under FAR 42.705. Failure to submit an adequate ICS on time exposes contractors to payment delays, DCAA deficiency findings, withholds of fee or final payment, and potential suspension of contract payments under the clause's adequacy determination provisions.

Contracts requiring an ICS. Under FAR 16.307(a) and FAR 52.216-7(d)(2)(i), the incurred-cost submission requirement applies to any contractor with at least one contract containing the FAR 52.216-7 clause during the fiscal year. The clause is prescribed for inclusion in cost-reimbursement contracts under FAR Part 16 Subpart 16.3 (cost-plus-fixed-fee, cost-plus-incentive-fee, cost-plus-award-fee, cost-sharing, and cost contracts) and in time-and-materials and labor-hour contracts (other than contracts for commercial products or commercial services) per FAR 16.307(a). If any contract containing the clause was in effect during any portion of the contractor's fiscal year — even if the contract ended or was fully closed out before fiscal year-end — the contractor must submit an ICS covering the entire fiscal year. The submission is business-unit level (not contract-specific): a contractor with multiple business units that separately track indirect cost pools under CAS 9904.403 or separate Disclosure Statements must submit a separate ICS for each business unit that incurred indirect costs allocated to covered contracts during the fiscal year. Contractors that hold only firm-fixed-price contracts or commercial-item contracts without FAR 52.216-7 do not submit an ICS, because there is no government right to audit incurred indirect costs on those contract types.

Mandatory six-month deadline. FAR 52.216-7(d)(2)(i) states: "The Contractor shall submit an adequate final indirect cost rate proposal to the Contracting Officer (or cognizant Federal agency official) and auditor within the 6-month period following the expiration of each of its fiscal years." For a contractor with a calendar fiscal year ending December 31, the ICS is due no later than June 30 of the following year. For a contractor with a June 30 fiscal year-end, the ICS is due December 31. The six-month deadline is mandatory; it is not a target or a best practice — it is a contract performance requirement under the clause. The clause further provides: "Reasonable extensions, for exceptional circumstances only, may be requested in writing by the Contractor and granted in writing by the Contracting Officer." Extensions are discretionary (the contracting officer "may" grant them) and are limited to "exceptional circumstances" — for example, a natural disaster, a cyberattack that destroyed accounting records, an unexpected business combination or divestiture during the fiscal year, or the departure of key accounting personnel without adequate succession planning. Extensions are not routinely granted for ordinary resource constraints, and a contractor that habitually requests extensions risks DCAA findings of inadequate accounting systems under DFARS 252.242-7006 (which requires that accounting records "be adequate to support … proposals for interim payments").

What constitutes an "adequate" submission — the fifteen-schedule framework. FAR 52.216-7(d)(2)(iii) enumerates the content requirements for an adequate incurred-cost submission. The clause specifies: "An adequate indirect cost rate proposal shall include the following data unless otherwise specified by the cognizant Federal agency official:" and then lists fifteen schedules labeled (A) through (O). While the cognizant Federal agency official (typically the Defense Contract Management Agency administrative contracting officer or DCAA) may waive or modify certain schedule requirements for small contractors or contractors with simple cost structures, the default expectation is that all fifteen schedules will be included in the submission. The schedules are:

(A) Summary of all claimed indirect expense rates, including pool, base, and calculated indirect rate. This is the executive summary — a single-page table showing each indirect cost pool (fringe, overhead, G&A, and any intermediate or other pools the contractor maintains), the corresponding allocation base for each pool, the total pool amount, the total base amount, and the calculated rate (pool ÷ base). For example: Fringe pool $500,000, Total labor base $2,000,000, Fringe rate 25.00%; Overhead pool $1,200,000, Direct labor + fringe base $1,800,000, Overhead rate 66.67%; G&A pool $800,000, Total cost input base $5,000,000, G&A rate 16.00%. This schedule must reconcile to all subsequent schedules.

(B) General and Administrative expenses (final indirect cost pool). Schedule of claimed expenses by element of cost as identified in accounting records (Chart of Accounts). The G&A pool detail, listing every general-ledger account (or subledger line item) that comprises the G&A pool, organized by element of cost (salaries, rent, professional services, etc.) as maintained in the contractor's Chart of Accounts. The sum of all line items in Schedule B must equal the G&A pool amount shown in Schedule A. This schedule must exclude expressly unallowable costs (alcohol, entertainment, fines, contributions, interest) and must identify and break out any material unallowable costs for purposes of FAR 42.709 penalty avoidance.

(C) Overhead expenses (final indirect cost pool). Schedule of claimed expenses by element of cost as identified in accounting records (Chart of Accounts) for each final indirect cost pool. The overhead pool detail (or multiple overhead pools if the contractor maintains separate overhead pools for different departments, facilities, or contracts). For each overhead pool, the contractor must list every general-ledger line item included in the pool, organized by element of cost. The sum of Schedule C must equal the overhead pool amount(s) in Schedule A. Like Schedule B, Schedule C must exclude expressly unallowable costs and identify material unallowables.

(D) Occupancy expenses (intermediate indirect cost pool). Schedule of claimed expenses by element of cost as identified in accounting records (Chart of Accounts) and expense reallocation to final indirect cost pools. If the contractor maintains an intermediate cost pool for occupancy expenses (rent, utilities, depreciation, maintenance, real estate taxes, insurance on facilities) that is allocated to final cost objectives through one or more service centers or intermediate pools rather than directly into overhead or G&A, Schedule D details that intermediate pool and shows how it is reallocated to the final indirect cost pools. Many contractors do not have an occupancy pool and will mark Schedule D as "not applicable." For contractors that do, Schedule D must reconcile the intermediate pool total to the amounts reallocated into Schedules B and C.

(E) Claimed allocation bases, by element of cost, used to distribute indirect costs. A detailed breakout of each allocation base shown in Schedule A. For example, if the overhead base is "Direct labor + fringe," Schedule E must list the total direct labor dollars by element (salaries, bonuses, shift differentials, etc.) plus the fringe applied to that direct labor, with the sum equaling the base shown in Schedule A. If the G&A base is total cost input, Schedule E must list direct costs, overhead allocated to direct costs, fringe allocated to direct labor, B&P, IR&D, and any other elements included in the TCI base, with the sum matching Schedule A. This schedule is critical for DCAA's review of whether the contractor's allocation bases comply with FAR 31.203 and applicable CAS (especially CAS 9904.410 for G&A and CAS 9904.418 for allocation).

(F) Facilities capital cost of money factors computation. If the contractor claims facilities capital cost of money under FAR 31.205-10 and CAS 9904.414, Schedule F must include the computation of the cost of money amount using the contractor's facilities capital employed, the applicable Treasury rate, and the CAS-compliant allocation methodology. Contractors that do not claim cost of money (the majority) mark Schedule F "not applicable" or "zero."

(G) Reconciliation of books of account (i.e., General Ledger) and claimed direct costs by major cost element. This is the "bridge schedule" that reconciles the contractor's audited or reviewed financial statements (or general ledger trial balance if the contractor does not produce audited financials) to the direct costs claimed in the ICS. Schedule G typically shows total costs per the general ledger, subtracts G&A, overhead, fringe, B&P, IR&D, and other indirect pools, subtracts unallowable costs not charged to government contracts, and arrives at the total direct costs claimed. The schedule must reconcile by major cost element (direct labor, direct materials, direct subcontracts, direct travel, direct other). DCAA uses Schedule G to verify that the ICS is supported by the contractor's books and records and that no costs have been double-counted or omitted.

(H) Schedule of direct costs by contract and subcontract and indirect expense applied at claimed rates, as well as a subsidiary schedule of Government participation percentages in each of the allocation base amounts. This is the contract-by-contract detail showing, for each contract and subcontract covered by FAR 52.216-7 during the fiscal year, the direct costs incurred, the indirect costs applied at the claimed final rates, and the resulting total cost. Schedule H also includes a subsidiary schedule (often called "H-1") showing the government participation percentage — the portion of each allocation base attributable to government contracts. For example, if the contractor's total direct labor (the overhead base) was $2,000,000, and $1,500,000 of that was allocable to government contracts, the government participation in the overhead base is 75%, and the government's share of the overhead pool is 75% of the total pool. Schedule H is the mechanism by which the contractor allocates indirect costs to government contracts under FAR 31.203 and prevents the government from being charged for a disproportionate share of the contractor's indirect costs when the contractor also performs commercial or other non-government work.

(I) Schedule of cumulative direct and indirect costs claimed and billed by contract and subcontract. For each contract and subcontract, Schedule I shows (1) cumulative costs claimed in the ICS for the fiscal year, (2) cumulative costs billed to the government through fiscal year-end using provisional billing rates, and (3) the difference (over- or underbilling). The sum of the overbillings and underbillings across all contracts is the net adjustment the contractor will make via adjustment vouchers after final rates are settled. Schedule I is the foundation for the "true-up" required by FAR 52.216-7(d)(2)(v), which mandates: "The Contractor shall update the billings on all contracts to reflect the final settled rates and update the schedule of cumulative direct and indirect costs claimed and billed … within 60 days after settlement of final indirect cost rates."

(J) Subcontract information. Listing of subcontracts awarded to companies for which the contractor is the prime or upper-tier contractor. Schedule J is a comprehensive subcontract register showing, for each subcontract awarded during (or in effect during) the fiscal year, the prime contract number, the subcontract number, the subcontractor name, the subcontract value, the subcontract type (FFP, cost-reimbursement, T&M, etc.), the amount invoiced by the subcontractor during the fiscal year, and whether the subcontract is subject to FAR 52.215-12 or 52.215-13 (certified cost or pricing data flowdown) or FAR 52.244-2 (subcontracts for commercial items). DCAA uses Schedule J to verify subcontract costs included in the ICS and to identify subcontracts that may require flowdown of the FAR 52.216-7 clause and separate subcontractor incurred-cost submissions.

(K) Summary of each time-and-materials and labor-hour contract. For T&M and labor-hour contracts, Schedule K shows the contract number, the contract ceiling, the total labor hours and labor dollars billed, the total material and other direct costs billed, and the indirect costs applied. This schedule allows DCAA to verify that T&M billings did not exceed contract ceilings and that the contractor applied the indirect rates specified in the T&M contract (which may differ from the provisional billing rates used on cost-reimbursement contracts).

(L) Listing of unallowable costs. FAR 52.216-7(d)(2)(iii)(K) (often mislabeled as Schedule K in DCAA's ICE model, but correctly Schedule L in the clause text as reorganized post-2011) requires a "Summary of claimed allocation bases by element of cost; … a listing of unallowable costs with citations of the applicable clauses of the FAR or other authority." Schedule L (or the unallowable-cost portion of the submission, however labeled) must identify every category of expressly unallowable cost incurred by the contractor during the fiscal year — alcohol (FAR 31.205-51), entertainment (FAR 31.205-14), contributions (FAR 31.205-8), fines and penalties (FAR 31.205-15), interest (FAR 31.205-20), excess compensation over the benchmark cap (FAR 31.205-6(p)), lobbying (FAR 31.205-22), etc. — and show the dollar amount of each unallowable cost category, the general-ledger account(s) from which it was excluded, and the FAR citation. This schedule is critical for demonstrating compliance with FAR 31.201-6 (accounting for unallowable costs) and for avoiding penalties under FAR 42.709.

(M) Reconciliation of total salary and wage expense per the incurred-cost submission to total payroll costs. This schedule reconciles total labor costs claimed in the ICS (direct labor, indirect labor, paid time off, bonuses, etc.) to total payroll per the contractor's payroll records or W-2/W-3 filings. DCAA uses Schedule M to verify that labor costs in the ICS are supported by the contractor's payroll system and that no costs have been omitted or overstated.

(N) Listing of delay claims and termination claims submitted which contain costs relating to the subject fiscal year. If the contractor submitted any requests for equitable adjustment (REAs), certified claims under FAR 52.233-1 (Disputes), delay claims, or termination settlement proposals during or after the fiscal year that include costs incurred during the subject fiscal year, those claims must be listed in Schedule N with the contract number, claim number, total claimed amount, and status. DCAA uses this schedule to identify potential cost accounting inconsistencies (for example, costs claimed in an REA that are also included in the ICS indirect pools, which would result in double recovery) and to coordinate audit coverage between the incurred-cost audit and any ongoing claim audits.

(O) Contract briefings, which generally include a synopsis of all pertinent contract provisions. For each contract covered by the ICS, Schedule O provides a brief narrative or table showing: contract type, total contract value, product or service being provided, period of performance, indirect cost rate ceilings (if the contract specifies a cap on allowable rates), any advance approval requirements (for example, advance approval of restructuring costs or IR&D projects under DFARS 231.205-18 or FAR 31.205-70), pre-contract cost limitations (costs incurred before contract award that are allowable only if approved by the contracting officer), and billing limitations (for example, limitations on provisional billing rates or progress payment percentages). DCAA uses Schedule O to verify that the contractor has complied with contract-specific cost limitations and that the indirect rates claimed in the ICS do not exceed any contractual ceilings.

Additional supporting documentation. FAR 52.216-7(d)(2)(i) requires the contractor to "support its proposal with adequate supporting data." Beyond the fifteen enumerated schedules, DCAA and contracting officers expect contractors to provide (either with the initial submission or promptly upon request during the audit): general ledger trial balance for the fiscal year; organization chart showing business-unit structure and reporting relationships; Disclosure Statement (if the contractor is subject to full or modified CAS coverage); any advance agreements or forward pricing rate agreements in effect during the fiscal year; the annual internal audit plan under FAR 52.216-7(d)(2)(iii)(J) (which requires disclosure of "Annual internal audit plan of scheduled audits to be performed in the fiscal year when the final indirect cost rate submission is made"); cost accounting system description; and detailed supporting documentation for material cost items flagged by the auditor (vendor invoices, subcontract agreements, payroll registers, lease agreements, depreciation schedules, etc.). The concept of "adequate supporting data" is context-specific and depends on the contractor's size, complexity, and risk profile, but the baseline expectation is that the contractor can substantiate every dollar in the ICS by reference to contemporaneous books and records.

Adequacy determination — the contracting officer's gate-keeping role. Under FAR 42.705-1(b), once the contractor submits the ICS, the cognizant Federal agency official (the administrative contracting officer or, for contractors with significant DoD work, a DCMA ACO) or the contracting officer makes an initial adequacy determination — a threshold determination of whether the submission includes the required schedules, reconciles internally, and is supported by sufficient data to permit DCAA to begin an audit. If the submission is inadequate, the contracting officer (or DCAA on behalf of the contracting officer) will issue a deficiency letter identifying the missing or deficient schedules and requesting a corrected submission. Under DCAA policy, the incurred-cost audit does not begin until the submission is determined to be adequate for audit. A contractor that submits a materially incomplete or unreconciled ICS may wait months or years for the adequacy determination, during which time the contractor cannot finalize contract closeouts, may be subject to fee withholds under FAR 52.216-8 or 52.216-9 (fixed fee withholds pending receipt of an adequate ICS), and may face suspension of progress payments or voucher payments if the contracting officer determines that the contractor's failure to submit an adequate ICS within a reasonable time constitutes a material breach of the contract.

When the submission is determined adequate, DCAA audits and the contracting officer negotiates final rates. FAR 42.705-1(b)(2) provides: "Once a proposal has been determined to be adequate for audit in support of negotiating final indirect cost rates, the auditor will audit the proposal and prepare an advisory audit report to the contracting officer (or cognizant Federal agency official), including a listing of any relevant advance agreements or restrictive terms of specific contracts." DCAA's audit may be a full-scope audit (detailed testing of direct costs, indirect cost pools, allocation bases, compliance with FAR Part 31 and CAS, review of unallowable costs, and verification of the fifteen schedules) or a limited-scope or risk-based review (analytical procedures, limited transaction testing, and reliance on prior audit results) depending on the contractor's size, audit history, and risk factors. After DCAA issues its audit report — which may take months to years depending on DCAA's workload and the complexity of the contractor's submission — the contracting officer (or cognizant Federal agency official) negotiates the final indirect cost rates with the contractor under FAR 42.705-1(b)(3). The negotiation results in a final indirect cost rate agreement signed by both parties, which establishes the rates that will be applied to all contracts covered by the ICS for the fiscal year, superseding the provisional billing rates. The contractor then has 60 days under FAR 52.216-7(d)(2)(v) to submit adjustment vouchers on all affected contracts to true up cumulative billings to the final settled rates.

Consequences of late or non-submission. Contractors that fail to submit an adequate ICS by the six-month deadline (or any granted extension) face multiple adverse consequences. First, fee withholds: under FAR 52.216-8(c) (Fixed Fee clause for CPFF contracts) and FAR 52.216-9(c) (Fixed Fee—Construction), the contracting officer shall withhold up to 15% of the total fixed fee or $100,000 (whichever is less) until the contractor submits an adequate ICS. Under FAR 52.216-9(c), only 75% of the fee withhold is released upon submission of the adequate ICS; the remaining 25% is withheld until final rates are settled, unless the contracting officer releases up to 90% based on the contractor's past ICS performance. Second, suspension of voucher payments: under FAR 52.216-7(a)(1), the contracting officer determines allowable costs "in accordance with FAR Subpart 31.2" and the terms of the contract; if the contractor has not submitted an adequate ICS for prior fiscal years, the contracting officer may suspend reimbursement of indirect costs on the ground that the allowability of those costs cannot be determined without a complete ICS and final rate settlement. Third, contract closeout delays: FAR 4.804-5 provides that cost-reimbursement and T&M contracts cannot be closed out until the contractor has submitted a completion invoice or voucher and the contracting officer has determined final allowable costs; without an ICS and final rate settlement, contracts remain open indefinitely, preventing release of retainages and closure of contract files. Fourth, accounting system deficiency findings: under DFARS 252.242-7006(c)(2), an adequate accounting system must "ensure … billings … can be reconciled to the cost accounts for both current and cumulative amounts claimed and comply with contract terms." A contractor that habitually fails to submit adequate ICSs on time may receive a disapproved accounting system determination, which triggers mandatory withholding of 10% of progress payments and interim voucher payments on all flexibly-priced contracts under DFARS 252.242-7006(e) until the deficiency is corrected. Fifth, FAR 42.709 penalty exposure: if a contractor's late or inadequate ICS delays final rate settlement, and the contractor later submits a corrected ICS that includes unallowable costs, the government may assert that the contractor's delay in submitting an adequate proposal constitutes evidence of lack of adequate internal controls under FAR 42.709-6(c), defeating the contractor's ability to obtain a waiver of penalties for inadvertent inclusion of expressly unallowable costs.

Reconciliation and true-up after final rate settlement. FAR 52.216-7(d)(2)(v) requires: "The Contractor shall update the billings on all contracts to reflect the final settled rates and update the schedule of cumulative direct and indirect costs claimed and billed, as required in paragraph (d)(2)(iii)(I) of this section, within 60 days after settlement of final indirect cost rates." This is the final step in the incurred-cost cycle. The contractor prepares an adjustment voucher (a public voucher on Standard Form 1034 or WAWF) for each contract, recalculating the contract's total allowable indirect costs using the final settled rates instead of the provisional billing rates, and submits either a receivable (if the final rates are higher than the billing rates, meaning the contractor underbilled) or a payable (if the final rates are lower than the billing rates, meaning the contractor overbilled). The receivable or payable is processed as a contract modification or a payment/collection action, and the contract's cumulative billing records are updated to reflect the final costs. Contractors that fail to submit the adjustment vouchers within 60 days of final rate settlement may be found non-compliant with the FAR 52.216-7(d)(2)(v) requirement, and DCAA may cite the failure as an accounting system deficiency.

Use of DCAA's Incurred Cost Electronically (ICE) model. DCAA provides a free Excel-based submission template called Incurred Cost Electronically (ICE) on the DCAA website, which incorporates all fifteen schedules required by FAR 52.216-7(d)(2)(iii) and includes built-in formulas that auto-populate and cross-check the schedules for internal consistency. Contractors are not required to use the ICE model — FAR 52.216-7(d)(2)(iii) states the submission must include the enumerated schedules "unless otherwise specified by the cognizant Federal agency official," and contractors may prepare the schedules in any format (Excel, PDF, or another electronic format) so long as the content requirements are met. However, DCAA strongly encourages use of the ICE model because it reduces submission errors, speeds the adequacy determination, and facilitates audit efficiency. Contractors that use the ICE model should ensure they are using the most current version available on the DCAA website and that they do not alter the model's formulas or structure in ways that break the cross-schedule links.

Source: FAR 52.216-7, Allowable Cost and Payment Source: 48 C.F.R. § 52.216-7 Source: FAR 42.705-1, Contracting officer determination procedure Source: FAR Subpart 42.7, Indirect Cost Rates

When a contractor subject to Cost Accounting Standards coverage (full or modified) fails to comply with an applicable CAS or fails to consistently follow a disclosed or established cost accounting practice, the cognizant Federal agency official (CFAO — typically the administrative contracting officer or a DCMA ACO) must determine whether the noncompliance has occurred, calculate the cost impact on affected CAS-covered contracts, and resolve the impact through contract price or cost adjustments under FAR 30.605 and FAR 30.606. Unlike cost disallowances under FAR Part 31 (which address reasonableness and allowability of individual cost categories), CAS noncompliance adjustments address accounting method failures — violations of the measurement, assignment, or allocation requirements in the nineteen CAS at 48 C.F.R. Part 9904, or inconsistencies between the contractor's disclosed practices in its Disclosure Statement and the practices the contractor actually followed. The adjustment remedy is grounded in the CAS clauses (FAR 52.230-2 for full coverage, FAR 52.230-3 for modified coverage, and FAR 52.230-6 for administration) and is designed to protect the government from payment of increased costs in the aggregate resulting from the contractor's failure to apply compliant or consistent accounting methods.

Definition of noncompliance. Under FAR 52.230-6(a) (Administration of Cost Accounting Standards clause), "noncompliance" means a failure in estimating, accumulating, or reporting costs to: (1) comply with applicable CAS, or (2) consistently follow disclosed or established cost accounting practices. This is a two-pronged definition. The first prong — failure to comply with an applicable CAS — covers violations of the explicit requirements in the CAS Board regulations at 48 C.F.R. Part 9904 (for example, failure to measure pension costs in accordance with CAS 9904.412, failure to allocate home office expenses in accordance with CAS 9904.403, failure to account for unallowable costs in accordance with CAS 9904.405). The second prong — failure to consistently follow disclosed or established cost accounting practices — covers inconsistencies: the contractor disclosed a practice in its Disclosure Statement (CASB DS-1 or DS-2) or established a practice in its accounting records, but the contractor used a different practice when estimating, accumulating, or reporting costs on a CAS-covered contract. For example, a contractor disclosed that it allocates G&A over a total-cost-input base but instead allocated G&A over a value-added base excluding materials; the contractor disclosed that it treats proposal costs as B&P but instead charged proposal costs directly to a government contract; or the contractor established a practice of capitalizing assets over $5,000 but inconsistently expensed an asset meeting that threshold as a current cost. Both types of noncompliance — CAS violations and consistency failures — are processed identically under FAR 30.605.

Noncompliance is distinct from a change in cost accounting practice (which is a prospective, disclosed revision to an existing practice, processed under FAR 30.603 or FAR 30.604). When a contractor changes an accounting practice without notifying the CFAO in advance per FAR 52.230-6(b)(3), the CFAO may determine the change to be a failure to follow the disclosed or established practice consistently and process it as a noncompliance under FAR 30.605. This is the enforcement mechanism that prevents contractors from making undisclosed, retroactive changes to avoid unfavorable cost impacts.

Triggering a noncompliance determination. Noncompliances are typically identified in one of three ways: (1) DCAA audit findings — during a Disclosure Statement adequacy and compliance review, an incurred-cost audit, or a forward pricing rate audit, DCAA identifies a discrepancy between the contractor's disclosed or established practice and the practice the contractor used, or identifies a failure to comply with a CAS requirement, and issues an audit report recommending a noncompliance determination; (2) contractor self-disclosure — the contractor discovers the noncompliance during an internal audit or accounting system review and notifies the CFAO in writing; or (3) CFAO identification — during contract administration, proposal evaluation, or a postaward review, the CFAO (or a government cost analyst or pricing specialist) identifies the inconsistency or CAS violation. Under FAR 30.605(b), when the CFAO receives a report of alleged noncompliance (from DCAA, the contractor, or another source), the CFAO shall: (1) review the reasons why the contractor considers the existing practices to be compliant or the cost impact to be immaterial (if the contractor disputes the alleged noncompliance); (2) make a determination of compliance or noncompliance consistent with FAR 1.704 (which requires written determinations and findings for certain procurement actions); and (3) notify the contractor and the auditor in writing of the determination of compliance or noncompliance and the basis for the determination. The CFAO's written determination is the formal trigger; it starts the clock for the contractor's obligation to submit a corrective-action proposal and a cost-impact calculation.

Materiality threshold. Under FAR 30.605(b)(4), if the CFAO makes a determination of noncompliance, the CFAO shall follow the procedures in FAR 30.605(c) through (h) for calculating and resolving the cost impact unless the CFAO also determines the cost impact is immaterial. The materiality standard is prescribed by 48 C.F.R. § 9903.305 (CAS Board regulation on materiality): a cost impact is material when it is probable that the noncompliance will result in a significant increase in the amount paid by the government in the aggregate over the affected CAS-covered contracts. What constitutes "significant" is not defined by a fixed dollar or percentage threshold; instead, FAR 30.602(a) cross-references 48 C.F.R. § 9903.305 and states that "the CFAO shall use the criteria in 48 C.F.R. 9903.305" to determine materiality. Those criteria are context-specific and consider: (a) the absolute dollar magnitude of the cost impact, (b) the cumulative increase in payments over the affected contract base, and (c) the relationship of the increase to the total contract value. DCAA and DCMA practice commonly treat cost impacts exceeding $50,000 or 0.5% of the affected contract base as presumptively material, but the CFAO retains discretion to find materiality at lower thresholds (or immateriality at higher thresholds) based on the facts and circumstances. If the cost impact is determined to be immaterial, FAR 30.605(b)(4) requires the CFAO to: (i) inform the contractor in writing that the noncompliance should be corrected, and (ii) notify the contractor that if the noncompliance is not corrected, the government reserves the right to make appropriate contract adjustments should the cost impact become material in the future. The CFAO then concludes the cost-impact process with no contract adjustments. This is a crucial gate: contractors with immaterial noncompliances are obligated to correct the practices going forward but do not owe contract price or cost adjustments for the period of noncompliance. However, the noncompliance remains "open" in the government's records, and if a subsequent contract award, a change in the contractor's business mix, or a change in contract value causes the cost impact to cross the materiality threshold in a later cost accounting period, the CFAO may reopen the matter and demand adjustments at that time.

Contractor's obligations when noncompliance is material. When the CFAO determines that a noncompliance has occurred and the cost impact is material, FAR 52.230-6(b)(4) requires the contractor to submit two items:

1. Description of the change to correct the noncompliance. Under FAR 52.230-6(b)(4), the contractor must submit a description of the change necessary to correct the failure to comply with an applicable CAS or to follow a disclosed practice within 60 days (or such other date as may be mutually agreed to by the CFAO and the contractor) after (i) the date of agreement with the CFAO that there is a noncompliance, or (ii) in the event of contractor disagreement, within 60 days after the CFAO notifies the contractor of the determination of noncompliance. The description must explain what accounting practice the contractor will implement going forward to bring the contractor into compliance with the applicable CAS or into consistency with the contractor's disclosed or established practice. This is a prospective corrective action: the contractor cannot unilaterally "undo" the noncompliance retroactively, but the contractor can (and must) change its practices going forward. FAR 30.605(c)(2) requires the CFAO to review the proposed change to correct the noncompliance concurrently for adequacy and compliance — i.e., the CFAO must determine whether the proposed corrective practice itself complies with CAS and FAR Part 31. If the proposed corrective practice is itself noncompliant, FAR 30.605(c)(2)(iii) requires the CFAO to notify the contractor in writing that, if implemented, the corrective practice will be determined noncompliant and processed accordingly. This prevents a contractor from "fixing" one noncompliance by adopting a new noncompliant practice.

2. General dollar magnitude (GDM) or detailed cost impact (DCI) proposal. FAR 30.605(c)(2)(i)(A) and (B) require the CFAO to request that the contractor submit a general dollar magnitude (GDM) proposal (or, at the contractor's election, a detailed cost impact (DCI) proposal) by a specified date, unless the CFAO determines the cost impact is immaterial. The GDM proposal is defined and prescribed in detail at FAR 30.605(d) and must calculate the cost impact in accordance with FAR 30.605(h). The detailed content requirements are enumerated at FAR 30.605(d)(4): the proposal must identify (i) the total increase or decrease in contract and subcontract prices and cost accumulations, as applicable, by executive agency, including any impact the noncompliance may have on contract and subcontract incentives, fees, and profits, for contracts awarded based on the noncompliant practice, contracts under which the noncompliant practice was used to accumulate costs, and the total overpayments and underpayments for fixed-price and flexibly-priced contracts made by the government during the period of noncompliance. FAR 30.605(d)(2) permits the contractor to use one or more of the following methods to calculate the cost impact: (i) a representative sample of affected CAS-covered contracts and subcontracts; (ii) when the noncompliance involves cost accumulation (i.e., the contractor used the noncompliant practice to record costs in its accounting system during performance of flexibly-priced contracts), the change in indirect rates multiplied by the applicable base for flexibly-priced contracts and subcontracts; or (iii) any other method that provides a reasonable approximation of the total increase or decrease in contract and subcontract prices and cost accumulations. The contractor may submit a DCI proposal in lieu of a GDM proposal; the DCI (detailed at FAR 30.605(f)) is contract-by-contract and must show the increase or decrease in price and cost accumulations for each affected CAS-covered contract and subcontract unless the CFAO and contractor agree to use a representative sample approach.

Calculating the cost impact under FAR 30.605(h). The cost-impact calculation is the heart of the noncompliance adjustment process. FAR 30.605(h) prescribes the methodology, which depends on whether the noncompliance involved estimating costs or accumulating costs:

Estimating noncompliances occur when the contractor used a noncompliant or inconsistent practice to prepare a cost proposal for a fixed-price contract (or the fixed-price portion of a contract with both fixed and flexibly-priced elements). For estimating noncompliances, FAR 30.605(h)(1) requires the cost impact to be calculated as the difference between the contract price and the contract price that would have been negotiated had the contractor used a compliant practice to estimate costs. This is a hypothetical re-pricing exercise: the contractor (and the CFAO, with DCAA support) must reconstruct what the proposed cost would have been if the contractor had used the compliant or disclosed practice when preparing the proposal, and then calculate what contract price would have resulted from that compliant cost estimate given the profit or fee that was negotiated. The difference between the actual contract price and the hypothetical compliant contract price is the cost impact. If the actual contract price is higher than the hypothetical compliant price, the noncompliance resulted in increased cost to the government (an overpayment), and a downward contract price adjustment is required. If the actual contract price is lower than the hypothetical compliant price, the noncompliance resulted in decreased cost to the government (an underpayment to the contractor), but under the one-way adjustment rule explained below, no upward adjustment is made.

Accumulating noncompliances occur when the contractor used a noncompliant or inconsistent practice to accumulate and report costs under a flexibly-priced contract — i.e., a cost-reimbursement, time-and-materials, or cost-based incentive contract where the government reimburses the contractor based on actual costs incurred. For accumulating noncompliances, FAR 30.605(h)(2) requires the cost impact to be calculated as the difference between the amounts paid to the contractor (or amounts that would be paid if unbilled costs are included in the cost impact calculation) and the amounts that would have been paid if the contractor had used a compliant practice to accumulate and report costs. This is a retrospective cost re-accumulation: the contractor must recompute the indirect cost pools, allocation bases, and indirect rates that would have resulted during the affected cost accounting periods if the contractor had used the compliant or disclosed practice, apply those recalculated rates to the flexibly-priced contracts' direct cost bases, and determine the total reimbursed costs under the recalculated methodology. The difference between the amounts the government actually paid (using the noncompliant rates) and the amounts the government would have paid (using the compliant rates) is the cost impact. If the government paid more under the noncompliant methodology than it would have paid under a compliant methodology, the noncompliance resulted in increased cost (an overpayment), and the contractor must repay the government. If the government paid less under the noncompliant methodology, the noncompliance resulted in decreased cost (the government received a windfall), but again, under the one-way adjustment rule, no additional payment is made to the contractor.

The one-way adjustment rule — increased costs in the aggregate. Under the CAS regulations (implicitly incorporated in FAR 30.605 through the contract clause cross-references at FAR 52.230-2(a)(4)(ii), FAR 52.230-3(a)(3)(i), and FAR 52.230-5(a)(5)), when a noncompliance occurs, the government is entitled to a contract price or cost adjustment to the extent the noncompliance results in increased costs paid by the government in the aggregate. FAR 30.606(a) — titled "General" under Subpart 30.606, "CAS Administration — Resolving Cost Impacts" — codifies this principle: prior to making any contract price or cost adjustments under the applicable noncompliance paragraphs of the CAS clauses, the CFAO shall determine that: (1) the contemplated contract price or cost adjustments will protect the government from the payment of increased costs, in the aggregate; (2) the net effect of the contemplated contract price or cost adjustments will not result in the recovery of more than the increased costs to the government, in the aggregate; (3) for estimating noncompliances, the net effect of any invoice adjustments will not result in the recovery of more than the increased costs paid by the government, in the aggregate; and (4) for accumulating noncompliances, the net effect of any interim and final voucher billing adjustments will not result in the recovery of more than the increased cost paid by the government, in the aggregate. The practical effect is that noncompliance adjustments are one-way: the government recovers overpayments caused by noncompliances, but the contractor does not recover underpayments. If a noncompliance decreased the cost to the government (because the noncompliant practice happened to allocate fewer costs to government contracts than the compliant practice would have), the CFAO makes no contract adjustment — the government retains the benefit of the lower cost, even though the contractor's accounting was wrong. This asymmetry is grounded in the CAS regulatory policy that contractors should not benefit from their own noncompliances; the penalty for noncompliance is that the contractor must absorb any adverse cost impact, while the government is made whole for any overpayment but need not make the contractor whole for any underpayment.

Interest on overpayments. Under FAR 30.605(g), when the cost-impact calculation under FAR 30.605(h) shows that the government overpaid the contractor as a result of the noncompliance, the contractor must separately identify interest on any increased cost paid, in the aggregate, and must compute interest from the date of overpayment to the date of repayment using the rate specified in 26 U.S.C. § 6621(a)(2) (the Treasury underpayment rate applicable to tax underpayments under the Internal Revenue Code, compounded daily). This is the same interest rate used for defective-pricing adjustments under 10 U.S.C. § 3707 and for unallowable-cost overpayments. The interest calculation can be complex when the noncompliance spans multiple fiscal years or multiple contracts, because the "date of overpayment" is the date (or dates) the government made payment(s) to the contractor under the noncompliant accounting methodology, and interest accrues separately from each payment date. For estimating noncompliances on fixed-price contracts, interest runs from the date of each invoice payment to the contractor to the date of contract modification reducing the contract price (or the date of repayment by the contractor). For accumulating noncompliances on flexibly-priced contracts, interest runs from the date of each interim voucher payment during the period of noncompliance to the date of final rate settlement or the date of repayment. FAR 30.605(g)(1) requires the contractor to separately identify the interest amount in the cost-impact proposal, meaning the GDM or DCI must include a line item for interest, calculated per 26 U.S.C. § 6621(a)(2), and that amount is added to the principal cost-impact adjustment to determine the total amount owed to the government. The CFAO includes the interest component in the contract modification or final decision under FAR 30.606.

Resolving the cost impact — negotiation or unilateral determination. Under FAR 30.605(e), once the contractor submits the GDM or DCI proposal, the CFAO shall promptly evaluate the proposal. If the cost impact is immaterial (based on the submitted proposal and DCAA's audit), the CFAO follows the immateriality procedures at FAR 30.605(b)(4) (notify the contractor to correct the noncompliance; conclude with no contract adjustments). If the cost impact is material, FAR 30.605(e)(1) requires the CFAO to negotiate and resolve the cost impact in accordance with FAR 30.606. FAR 30.606(b) prescribes the resolution procedures: the CFAO shall (1) negotiate with the contractor to reach agreement on the cost impact and the contract price or cost adjustments; (2) if the CFAO and contractor cannot reach agreement, issue a final decision under FAR Subpart 33.2 (Contract Disputes Act); and (3) for noncompliances, adjust the contracts (by bilateral or unilateral modification) by the amount of the increased cost to the government, in the aggregate, plus interest. If the contractor disputes the CFAO's cost-impact calculation or the determination of noncompliance itself, the contractor may appeal the CFAO's final decision to the cognizant board of contract appeals (ASBCA, CBCA, etc.) or to the Court of Federal Claims within 90 days of receipt of the final decision. The burden is on the contractor to prove that the CFAO's determination was erroneous.

When the CFAO and contractor do not agree, FAR 30.606(c)(6)(ii) authorizes the CFAO to issue a final decision in accordance with FAR 33.211 (the Contract Disputes Act procedures for contracting officer final decisions) and to unilaterally adjust the contract(s) by the estimated amount of the cost impact. The unilateral adjustment is a contract modification executed by the government; the contractor is not a signatory. The contractor may dispute the modification under the CDA, but the modification stands unless and until overturned on appeal.

Payment withhold for late submission. If the contractor fails to submit the required GDM or DCI proposal (or the description of the corrective change) within the specified time, FAR 52.230-6(j) permits the CFAO to withhold an amount not to exceed 10% of each subsequent amount determined payable related to the contractor's CAS-covered prime contracts, up to the estimated general dollar magnitude of the cost impact, until the required submission has been provided in the form and manner specified by the CFAO. This is a payment-pressure mechanism to compel contractor cooperation. The withhold applies to all CAS-covered contracts administered by the CFAO, not just the contracts directly affected by the noncompliance, and it remains in place until the contractor submits an adequate cost-impact proposal.

Consequences beyond the contract adjustment. The cost-impact adjustment and interest are the direct contractual consequences of noncompliance under FAR 30.605 and FAR 30.606. However, noncompliances — especially knowing or repeated noncompliances — may trigger additional government actions. If the CFAO or DCAA concludes that the contractor knowingly used a noncompliant practice to inflate costs or to shift costs from commercial to government work, the matter may be referred to the appropriate criminal investigative organization (DCIS, FBI, agency IG) for investigation of potential False Claims Act violations under 31 U.S.C. § 3729, criminal false statements under 18 U.S.C. § 1001, or conspiracy to defraud under 18 U.S.C. § 371. Additionally, repeated or egregious noncompliances — particularly noncompliances that demonstrate a failure to maintain an adequate accounting system or internal controls — may result in a disapproved accounting system determination under DFARS 252.242-7006 (for DoD contractors), which triggers mandatory withholding of 10% of progress payments and voucher payments on all flexibly-priced contracts until the deficiency is corrected, or may result in suspension and debarment proceedings under FAR Subpart 9.4. A contractor that is found noncompliant and fails to timely correct the noncompliance (or fails to timely submit the corrective-action description and cost-impact proposal) may also be found to have an inadequate Disclosure Statement or an inadequate accounting system, either of which can delay or preclude contract awards and can result in mandatory disclosure of the deficiency to other contracting officers under FAR 30.202-5.

Source: FAR 30.605, Processing noncompliances Source: FAR 30.606, Resolving cost impacts Source: FAR 52.230-6, Administration of Cost Accounting Standards Source: FAR 30.602, Materiality Source: 48 C.F.R. § 9903.305, Materiality

Depreciation on a contractor's plant, equipment, and other capital facilities is an allowable contract cost under FAR 31.205-11(a), subject to a multi-layered framework of limitations drawn from the FAR cost principle itself, from CAS 9904.409 (Depreciation of Tangible Capital Assets) for CAS-covered contractors, and from the interaction with the capitalization and asset-valuation rules in CAS 9904.404 (Capitalization of Tangible Assets). Depreciation is one of the largest cost categories for capital-intensive government contractors — facilities, machinery, tooling, vehicles, computers, furniture, leasehold improvements — and the government's cost-reimbursement rules prescribe in detail how depreciation must be measured (depreciable cost = capitalized cost minus residual value), over what period it must be allocated (the asset's estimated service life), using what method (straight-line, declining balance, units-of-production, or another method that reflects the consumption of services), and how gains and losses on disposition must be accounted for (as adjustments to the depreciation reserve, not as separate period costs). Practitioners preparing forward-pricing proposals, incurred-cost submissions, or indirect rate calculations must understand not only the black-letter allowability rule but also the CAS-imposed measurement discipline and the special limitations on sale-and-leaseback arrangements, impairment write-downs, and property acquired from the government.

Basic allowability and the CAS gate. FAR 31.205-11(a) states the baseline rule: depreciation on plant, equipment, and other capital facilities is allowable, subject to the limitations contained in this cost principle. The first and most consequential limitation is at FAR 31.205-11(b): "Contractors having contracts subject to 48 CFR 9904.409, Depreciation of Tangible Capital Assets, shall adhere to the requirement of that standard for all fully CAS-covered contracts and may elect to adopt the standard for all other contracts." This creates a bifurcated regime. Contractors with full CAS coverage (business units that received a single CAS-covered contract of $50 million or more, or $50 million in net CAS-covered awards during the preceding cost accounting period per 48 C.F.R. § 9903.201-2(a)) must follow CAS 9904.409 for all CAS-covered contracts. Contractors with modified CAS coverage (contracts over the TINA threshold but below the full-coverage $50 million threshold) are subject to only four CAS — CAS 9904.401, 9904.402, 9904.405, and 9904.406 — and CAS 9904.409 is not among them, so modified-coverage contractors are not required to follow CAS 9904.409 unless they elect to do so. And contractors with no CAS coverage (no CAS clause in their contracts, for example because all contracts are firm-fixed-price or sealed-bid or for commercial items) are also not required to follow CAS 9904.409, though they may elect to apply it. If a contractor elects to apply CAS 9904.409 under FAR 31.205-11(b), all requirements of the standard apply, and the contractor must continue to follow it until notification of final acceptance of all deliverables on all open negotiated government contracts.

For contractors not applying CAS 9904.409, the depreciation framework is set by FAR 31.205-11(c): "allowable depreciation shall not exceed the amount used for financial accounting purposes, and shall be determined in a manner consistent with the depreciation policies and procedures followed in the same segment on non-Government business." This is a consistency and ceiling rule: the contractor may not claim more depreciation for government contract costing than it records for financial accounting (book depreciation), and the method, service lives, and residual values used for government contracts must be the same as those used for commercial or other non-government work in the same business segment. The effect is to prevent contractors from using accelerated or inflated depreciation on government contracts while using straight-line or slower methods for financial reporting. Under FAR 31.205-11(c), the contractor's depreciation is allowable up to the book amount, provided the contractor applies its established practices consistently. This rule is subject to the special provisions for capital leases and sale-and-leaseback arrangements in FAR 31.205-11(g) and (h).

CAS 9904.409 — the measurement and allocation framework for CAS-covered (or electing) contractors. When CAS 9904.409 applies, the depreciation that may be charged to government contracts is governed by the fundamental requirement at 48 C.F.R. § 9904.409-40 and the detailed techniques for application at 48 C.F.R. § 9904.409-50. The standard prescribes a four-part discipline:

1. Depreciable cost = capitalized cost minus estimated residual value. Under CAS 9904.409-40(a)(1), the depreciable cost of a tangible capital asset (or group of assets) is its capitalized cost (determined under CAS 9904.404, which governs what costs must be capitalized and how acquisition cost is measured) less its estimated residual value (also called salvage value or scrap value — the amount the contractor reasonably expects to realize from sale or other disposition of the asset at the end of its service life). The capitalized cost includes not only the purchase price but also costs necessary to prepare the asset for use: delivery, installation, testing, and initial setup per CAS 9904.404-50(a). FAR 31.205-11(a) provides a simplification for tangible personal property: only estimated residual values that exceed 10 percent of the capitalized cost need be used in establishing depreciable costs. If the contractor estimates that a piece of machinery will have a residual value of 5% of its purchase price, the contractor may ignore the residual value and depreciate the full capitalized cost. If the residual value is estimated at 15%, the contractor must subtract it from the capitalized cost before calculating depreciation. Additionally, FAR 31.205-11(a) provides that where either the declining balance method of depreciation or the class life asset depreciation range system is used, the residual value need not be deducted from capitalized cost. These are simplifications to reduce administrative burden; they do not override the fundamental CAS 9904.409-40(a)(1) requirement that depreciable cost be computed as capitalized cost minus residual value when the contractor is using a method (such as straight-line) for which residual value is material.

2. Estimated service life determines the cost accounting periods. Under CAS 9904.409-40(a)(2), the estimated service life of a tangible capital asset (or group of assets) is used to determine the cost accounting periods to which the depreciable cost will be assigned. Service life is the period over which the asset is expected to be productively used by the contractor — measured in years, hours of operation, units of production, or another measure appropriate to the asset. CAS 9904.409-50(e) requires the contractor to estimate service life based on its own experience with the same or similar assets, supported by records of actual dispositions and retirements. For an individual asset, the contractor uses the actual historical replacement or retirement period for the same or similar assets it has owned. For a group of assets, the contractor uses the average service life for the group. CAS 9904.409-50(e)(3) permits the contractor to rely on industry data, engineering studies, or other external sources only if the contractor's own experience is inadequate — for example, when the contractor is acquiring a new type of asset for the first time. When a contractor groups assets for depreciation purposes under CAS 9904.409-50(d), the service life estimate applies to the entire group, not to individual assets within the group. The parties may agree on a shorter estimated service life under CAS 9904.409-50(e)(5) where the unique purpose for which the equipment was acquired or other special circumstances warrant it and the shorter life can be reasonably predicted.

3. Depreciation method must reflect the pattern of consumption of services. Under CAS 9904.409-40(a)(3), the method of depreciation selected must reflect the pattern of consumption of services over the life of the asset. This is a matching principle: the depreciation expense recognized in each cost accounting period should correspond to the economic benefit the contractor derives from the asset in that period. CAS 9904.409-50(f)(1) provides the baseline method selection rule: the method of depreciation used for financial accounting purposes (or other accounting purposes where depreciation is not recorded for financial accounting) shall be used for contract costing unless either (i) such method does not reasonably reflect the expected consumption of services for the tangible capital asset (or group of assets), or (ii) the method is unacceptable for Federal income tax purposes. This is a book-method primacy rule, similar to FAR 31.205-11(c) for non-CAS contractors: the contractor's financial-accounting depreciation method is presumptively acceptable for government contract costing, and the burden is on the government to demonstrate that the method does not reasonably reflect consumption of services. Common depreciation methods include straight-line (equal annual depreciation over the service life, appropriate when the asset provides roughly equal service each year), declining balance (accelerated depreciation with higher charges in early years, appropriate for assets that lose productivity or suffer obsolescence more rapidly early in life), units-of-production (depreciation based on actual usage measured in hours, miles, units produced, or another activity measure, appropriate for machinery and vehicles whose wear is directly tied to usage), and sum-of-the-years'-digits (another accelerated method). Under CAS 9904.409-50(f)(2), if the contractor's financial accounting method does not reasonably reflect consumption of services, the contractor must use an alternative method that does, and that method must be applied consistently to all assets (or all assets in the same group or class) for which the circumstances are the same.

4. Gains and losses on disposition are adjustments to depreciation. Under CAS 9904.409-40(a)(4), the gain or loss recognized upon disposition of a tangible capital asset is assigned to the cost accounting period in which the disposition occurs. CAS 9904.409-50(j)(1) and FAR 31.205-16(c) provide that gains and losses on disposition of tangible capital assets shall be considered as adjustments of depreciation costs previously recognized. The gain or loss is the difference between the net amount realized (sale proceeds, insurance proceeds from involuntary conversions, or trade-in value) and the undepreciated balance (also called net book value — the capitalized cost minus accumulated depreciation to date). For government contract costing purposes, FAR 31.205-16(d) limits the gain recognized to the difference between the asset's acquisition cost (or, for assets acquired under a capital lease, the capitalized lease value) and its undepreciated balance. This prevents the government from being charged for appreciation or for gains attributable to revaluation above original cost. The gain or loss is processed through the depreciation reserve account and affects the contractor's depreciation cost pool (and thus the overhead or other indirect cost pool that includes depreciation) in the period of disposition. Under CAS 9904.409-40(b)(4), when a gain or loss is material in amount, it must be allocated in the same manner as the depreciation cost of the asset has been or would have been allocated for the cost accounting period in which the disposition occurs. This means a material gain on the sale of an overhead-pooled asset reduces the overhead pool in the year of sale; a material loss increases the pool.

Allocation of depreciation costs to contracts — direct versus indirect. CAS 9904.409-40(b) and CAS 9904.409-50(k) govern how depreciation costs are allocated to cost objectives (contracts or other final cost objectives). The default is that depreciation is an indirect cost included in overhead, G&A, or another indirect cost pool and allocated over an appropriate base. However, CAS 9904.409-40(b)(1) permits depreciation to be charged directly to cost objectives if two conditions are met: (1) such charges are made on the basis of usage (e.g., machine hours, vehicle miles, units produced), and (2) depreciation costs of all like assets used for similar purposes are charged in the same manner. The "all like assets" consistency requirement prevents cherry-picking: a contractor may not charge depreciation of one milling machine directly to Contract A based on machine hours, while allocating depreciation of an identical milling machine used on Contract B indirectly through overhead. If the contractor elects to direct-charge depreciation of any asset in a class, it must direct-charge depreciation of all assets in that class on the same usage basis. CAS 9904.409-50(k) further requires that when depreciation is direct-charged on a usage basis, the contractor must establish average charging rates based on cost for the use of like assets, and any variances between total depreciation cost charged to cost objectives and total depreciation cost for the cost accounting period must be accounted for in accordance with the contractor's established practice for handling variances (typically, as an adjustment to an indirect cost pool at year-end).

Under CAS 9904.409-40(b)(2), where tangible capital assets are part of, or function as, an organizational unit whose costs are charged to other cost objectives based on measurement of the services provided by the organizational unit (for example, a motor pool, a computer center, a tooling crib), the depreciation cost of such assets must be included as part of the cost of the organizational unit and allocated with the organizational unit's other costs. This is the intermediate cost pool or service center rule: the depreciation of vehicles in a motor pool is not allocated separately; it is included in the total motor pool cost and allocated to contracts based on vehicle usage, headcount supported, or another allocation measure for the motor pool. Under CAS 9904.409-40(b)(3), depreciation costs that are not allocated under (b)(1) or (b)(2) — i.e., not direct-charged based on usage and not part of an organizational unit cost pool — shall be included in appropriate indirect cost pools (overhead, G&A, fringe, or another pool). This is the catch-all: most depreciation costs (facilities, furniture, general-purpose equipment) are allocated indirectly.

Residual value and the 10% rule for tangible personal property. FAR 31.205-11(a) provides: "For tangible personal property, only estimated residual values that exceed 10 percent of the capitalized cost of the asset need be used in establishing depreciable costs." This is an administrative simplification. If the contractor estimates that a computer server with a capitalized cost of $20,000 will have a residual value of $1,000 (5%), the contractor may depreciate the full $20,000 without subtracting residual value. If the contractor estimates the residual value will be $3,000 (15%), the contractor must depreciate $20,000 − $3,000 = $17,000. The 10% threshold does not apply to real property (land and buildings); real property residual values must always be subtracted. Additionally, the regulation provides: "Where either the declining balance method of depreciation or the class life asset depreciation range system is used, the residual value need not be deducted from capitalized cost to determine depreciable costs." The declining-balance method and the ACRS/MACRS class-life systems prescribed by the Internal Revenue Code do not explicitly incorporate residual value in the computation, so the regulation permits the contractor to ignore residual value when using those methods. However, the regulation adds a safety valve: "Depreciation cost that would significantly reduce the book value of a tangible capital asset below its residual value is unallowable." If application of an accelerated method or a long service life would cause the asset's net book value to fall below its reasonably estimated residual value (meaning the contractor is over-depreciating the asset), the excess depreciation is unallowable.

Property acquired from the government at no cost — depreciation unallowable. FAR 31.205-11(d) provides: "Depreciation, rental, or use charges are unallowable on property acquired from the Government at no cost by the contractor or by any division, subsidiary, or affiliate of the contractor under common control." This rule prevents double recovery. If the government furnished property to the contractor at no charge (government-furnished equipment or GFE under FAR clause 52.245-1, or property transferred from another government contract, or surplus property donated to the contractor), the contractor may not charge the government depreciation on that property. The property was acquired at zero cost; there is no capitalized cost to depreciate. If the contractor later acquires government property through purchase at fair market value in an arm's-length transaction, the depreciation limitation does not apply, and the contractor may depreciate the property based on the purchase price paid.

Sale and leaseback arrangements — the net-book-value limitation. A sale and leaseback is a transaction in which the contractor sells an asset it owns (typically real property — a building the contractor constructed or purchased) to a third party (often a financing entity or real estate investor) and simultaneously enters into a lease to continue using the asset. The arrangement allows the contractor to monetize the asset (convert it to cash) while retaining operational use. However, sale-and-leaseback arrangements can be used to inflate costs charged to the government if not carefully limited. FAR 31.205-11(h) addresses capital leases under a sale-and-leaseback arrangement (capital leases are leases that meet the FASB ASC 840 criteria for capitalization and must be treated as purchased assets for accounting purposes). Under FAR 31.205-11(h)(1), lease costs under a sale and leaseback arrangement are allowable only up to the amount that would be allowed if the contractor retained title, computed based on the net book value of the asset on the date the contractor becomes a lessee adjusted for any gain or loss recognized in accordance with FAR 31.205-16(b). In other words, the contractor may not increase the depreciable base (and thus the annual depreciation or lease cost charged to the government) by selling an asset at a gain and leasing it back; the allowable depreciation or lease cost is capped at the depreciation that would have been allowed on the original net book value if the contractor had not sold the asset. Additionally, under FAR 31.205-11(h)(2), if the terms of the capital lease have been significantly affected by the fact that the lessee and lessor are related (for example, the contractor sells a building to an entity under common control and leases it back under favorable terms), depreciation charges are not allowable in excess of those that would have occurred if the lease contained terms consistent with those found in a lease between unrelated parties (an arm's-length standard). The government will impute the depreciation or lease cost that would apply in an arm's-length transaction and limit allowability to that amount.

For operating leases under a sale-and-leaseback arrangement (leases that do not meet the capital lease criteria and are expensed as period costs), the parallel limitation is at FAR 31.205-36(b)(2): rental costs are allowable only up to the amount the contractor would be allowed if it retained title, computed based on the net book value of the asset on the date the contractor becomes a lessee adjusted for any gain or loss. The combined effect of FAR 31.205-11(h) and FAR 31.205-36(b)(2) is that sale-and-leaseback arrangements do not increase the amount of depreciation or rent the government will reimburse; the allowable amount is frozen at the pre-transaction level.

Impairment write-downs — allowable depreciation not affected. Under FAR 31.205-11(g)(2) and FAR 31.205-16(i), when a contractor writes down the carrying value of a tangible capital asset from its book value to a lower fair value as a result of impairments caused by events or changes in circumstances (for example, environmental damage, obsolescence, idle facilities arising from a declining business base, a collapse in market value), allowable depreciation of the impaired assets is limited to the amounts that would have been allowed had the assets not been written down. The impairment write-down is not allowable as a loss under FAR 31.205-16(i), and the depreciation going forward must be calculated as if the write-down had never occurred — the contractor continues to depreciate the asset's original capitalized cost (minus residual value) over its original estimated service life, even though the asset's book value on the contractor's financial statements is now lower. This prevents contractors from accelerating cost recovery by impairing assets and shortening the remaining depreciable base. However, FAR 31.205-11(g)(2) adds: "this does not preclude a change in depreciation resulting from other causes such as permissible changes in estimates of service life, consumption of services, or residual value." If the contractor has a legitimate, supportable reason to revise the asset's estimated service life (for example, technological obsolescence shortens the useful life from 10 years to 7 years), the contractor may revise the depreciation schedule prospectively under CAS 9904.409-50(g), but the revision must be based on changed circumstances or new information, not merely on the impairment itself.

Changes in estimated service life, method, or residual value. CAS 9904.409-50(g) and (h) address revisions to depreciation estimates and methods. A change in the estimated service life or estimated residual value of an asset during its service life is a correction of estimates, not a change in cost accounting practice, provided the change is based on additional information or changed circumstances (such as observed wear, technological change, or market conditions) and is not a change in the method of estimating. When a contractor revises an estimate, CAS 9904.409-50(g) requires the contractor to allocate the remaining depreciable cost (original depreciable cost minus accumulated depreciation to date, adjusted for the revised residual value if applicable) over the remaining service life (the new total estimated service life minus the years already elapsed). For example, if an asset with a 10-year life and $100,000 depreciable cost has been depreciated for 4 years at $10,000 per year (total accumulated depreciation $40,000, remaining depreciable cost $60,000), and the contractor revises the total service life estimate to 7 years based on observed wear, the contractor will depreciate the remaining $60,000 over the remaining 3 years (7 total years − 4 elapsed years) at $20,000 per year. A change in depreciation method (for example, from straight-line to declining balance, or from individual-asset to group depreciation) is a change in cost accounting practice and must be processed under the CAS change-in-practice rules at FAR 30.603 or FAR 30.604 (depending on whether the change is contractor-initiated or required by a new CAS or FAR requirement), including calculation of the cost impact and contract price adjustments if the change increases costs to the government.

Special rule for construction and acquisition of assets — depreciation commences when asset is placed in service. Under CAS 9904.409-50(b), depreciation of a tangible capital asset begins in the cost accounting period in which the asset is first placed in service — i.e., when it is ready and available for its intended use, not when it is purchased or when construction begins. For an asset under construction, the contractor capitalizes the construction costs (including allocable indirect costs under CAS 9904.417, Costs of Capital Assets Under Construction, if applicable), and depreciation does not commence until the asset is substantially complete and operational. However, where partial utilization of a tangible capital asset is identified with a specific operation, depreciation may commence on any portion of the asset which is substantially completed and used for that operation. For example, if a contractor constructs a multi-story office building and occupies the first floor while construction continues on upper floors, the contractor may begin depreciating the capitalized cost of the first floor when it is placed in service, even though the entire building is not yet complete.

Interaction with cost of money. Depreciation and facilities capital cost of money (an imputed cost allowed under FAR 31.205-10 and CAS 9904.414) are mutually exclusive for the same asset under certain conditions. Under FAR 31.205-10(b), cost of money is allowable only if it is measured, assigned, and allocated to contracts in accordance with CAS 9904.414 and the contractor specifically identifies and proposes it in cost proposals. CAS 9904.414-50(a) defines the facilities capital cost base as the net book value of tangible capital assets (and certain other items); as depreciation reduces the net book value of an asset, the facilities capital cost of money attributable to that asset declines correspondingly. Contractors may claim either depreciation or cost of money on the same asset (actually, both are claimed, but the cost of money is calculated on the declining net book value after depreciation), but the two costs together may not exceed the total economic cost of ownership. Importantly, contractors may not claim actual interest expense (which is unallowable under FAR 31.205-20) in lieu of depreciation and cost of money; the only allowable recovery for capital costs is depreciation (actual cost recovery) and cost of money (imputed cost of capital invested in the asset).

Assets acquired in business combinations — special valuation rules. When a contractor acquires tangible capital assets through a business combination (merger or acquisition), the capitalized cost used to compute allowable depreciation depends on whether the assets previously generated depreciation or cost of money charges allocable to government contracts. Under CAS 9904.404-50(d)(1), tangible capital assets of an acquired company that did generate such charges during the most recent cost accounting period prior to the business combination must be capitalized by the buyer at the net book value reported by the seller at the time of the transaction — the buyer may not step up the basis to fair value or purchase price allocated to the assets. This prevents the buyer from increasing depreciation costs charged to the government as a result of the acquisition. Under CAS 9904.404-50(d)(2), tangible capital assets that did not generate depreciation or cost of money allocable to government contracts may be capitalized at a portion of the purchase price not to exceed their fair values at the date of acquisition. These rules apply only to business combinations accounted for under the purchase method; pooling-of-interests combinations (now largely eliminated under GAAP) retain the seller's historical cost basis per CAS 9904.404-50(e).

Consistency with non-government business. For contractors not subject to CAS 9904.409, FAR 31.205-11(c) imposes a consistency requirement: allowable depreciation must be determined in a manner consistent with the depreciation policies and procedures followed in the same segment on non-Government business. The contractor may not use one depreciation method, service life, or residual value estimate for government contracts and a different (more favorable to the contractor) method for commercial contracts. The policies must be applied uniformly across the business segment. DCAA auditors test for this consistency during incurred-cost audits and forward pricing rate reviews by comparing the depreciation methods, lives, and amounts claimed on government contracts to the depreciation recorded in the contractor's financial statements and reported on tax returns. Inconsistencies — for example, using a 10-year life for government costing and a 7-year MACRS life for tax purposes — are scrutinized; the contractor must demonstrate that the difference is attributable to a legitimate accounting or tax requirement, not an attempt to inflate government contract costs.

Documentation and records. To support the allowability of depreciation costs, contractors must maintain asset records (also called fixed-asset registers or property ledgers) that identify each tangible capital asset (or asset group), its acquisition date, capitalized cost, estimated service life, estimated residual value, depreciation method, annual depreciation expense, and accumulated depreciation. Under CAS 9904.409-50(e), contractors must also maintain records of actual asset dispositions to support the estimated service lives used for similar assets. DCAA may request depreciation schedules, purchase invoices, capitalization policies, and engineering or industry data supporting service life estimates during incurred-cost audits. Contractors that cannot produce adequate support for their depreciation calculations risk having depreciation costs questioned or disallowed.

Source: FAR 31.205-11, Depreciation Source: 48 C.F.R. § 31.205-11 Source: 48 C.F.R. § 9904.409, Cost Accounting Standard—Depreciation of Tangible Capital Assets Source: 48 C.F.R. § 9904.409-40, Fundamental requirement Source: 48 C.F.R. § 9904.409-50, Techniques for application

After a contractor submits an adequate final indirect cost rate proposal (the incurred-cost submission or ICS under FAR 52.216-7(d)) and DCAA completes its audit, the government must establish final indirect cost rates for the fiscal year under FAR 42.705 — the procedure by which the contractor's proposed rates (based on actual incurred costs) are audited, negotiated, and formalized in a written indirect cost rate agreement signed by the government and the contractor. Final rate determination is the bridge between the contractor's submission of the ICS and the contract closeout process: until final rates are settled, flexibly-priced contracts remain open, billing adjustments cannot be finalized, and the contractor cannot submit the completion invoice required under FAR 42.705(b) to trigger closeout. The determination procedure is either contracting-officer determination (FAR 42.705-1, used for larger or more complex contractors) or auditor determination (FAR 42.705-2, used for smaller contractors or when the parties agree settlement is straightforward), and the resulting final rate agreement supersedes the provisional billing rates used during the fiscal year, requiring adjustment vouchers to true up cumulative contract billings.

Two determination procedures — allocation by contractor size and complexity. Under FAR 42.705(a), final indirect cost rates shall be established on the basis of either (1) contracting officer determination procedure (see FAR 42.705-1), or (2) auditor determination procedure (see FAR 42.705-2). The choice of procedure is prescribed by regulation, not by contractor election. FAR 42.705-1(a) specifies that contracting officer determination shall be used for: (1) business units of a multidivisional corporation under the cognizance of a corporate administrative contracting officer (see FAR Subpart 42.6), with that officer responsible for the determination, assisted as required by the administrative contracting officers assigned to individual business units — negotiations may be conducted on a coordinated or centralized basis depending on the degree of centralization within the contractor's organization; (2) business units not under the cognizance of a corporate ACO but having a resident administrative contracting officer (see FAR 42.602), with that officer responsible for the determination; and (3) for business units not covered by (a)(1) or (a)(2), the contracting officer (or cognizant Federal agency official, often abbreviated CFAO) will determine whether the rates will be contracting-officer determined or auditor determined. In practice, contracting officer determination is the default for any contractor with a DCMA administrative contracting officer assigned, any contractor that is part of a multi-segment corporate structure, and any contractor with significant cost-reimbursement contract volume or a history of cost disputes. Auditor determination under FAR 42.705-2(a) is used for business units not covered in FAR 42.705-1(a), and in addition may be used for business units that are covered in FAR 42.705-1(a) when the contracting officer (or CFAO) and the auditor agree that the indirect costs can be settled with little difficulty and any of the following circumstances apply: (i) the business unit has primarily fixed-price contracts, with only minor involvement in cost-reimbursement contracts; (ii) the administrative cost of contracting officer determination would exceed the expected benefits; (iii) the business unit does not have a history of disputes and there are few cost problems; or (iv) the contracting officer and auditor agree that special circumstances require auditor determination. The practical distinction is that under contracting officer determination (FAR 42.705-1), the contracting officer negotiates the rates with the contractor (with DCAA providing an advisory audit report and participating in negotiations as an advisor), whereas under auditor determination (FAR 42.705-2), the auditor negotiates directly with the contractor and executes the rate agreement (with the contracting officer involved only if the auditor and contractor cannot reach agreement). For the majority of government contractors with significant cost-reimbursement work, FAR 42.705-1 applies.

Contracting officer determination — the negotiation process under FAR 42.705-1. Once the contractor has submitted an adequate final indirect cost rate proposal (the fifteen-schedule ICS under FAR 52.216-7(d)(2)(iii)) and DCAA (or another cognizant auditor) has determined the proposal is adequate for audit, the process proceeds under FAR 42.705-1(b) as follows:

Step 1: Audit. Under FAR 42.705-1(b)(2), once a proposal has been determined to be adequate for audit in support of negotiating final indirect cost rates, the auditor will audit the proposal and prepare an advisory audit report to the contracting officer (or cognizant Federal agency official), including a listing of any relevant advance agreements or restrictive terms of specific contracts. The audit report is advisory — the contracting officer is not bound by the auditor's recommendations, though as discussed below, the contracting officer must document in a negotiation memorandum the reasons for not following the auditor's recommendations. DCAA's audit may be a full-scope audit (detailed testing of costs, pools, bases, and allowability under FAR Part 31 and CAS) or a limited-scope or risk-based review, depending on the contractor's audit history, size, and risk factors. The audit report typically includes: findings and questioned costs (costs the auditor believes are unallowable or unsupported), recommended final indirect cost rates (the rates the auditor calculates after adjusting the contractor's proposed rates for the questioned costs and any other adjustments), a reconciliation of the contractor's ICS to the contractor's books and records, findings related to CAS compliance or accounting system adequacy, and a list of advance agreements or special contract terms that limit or cap indirect cost recovery.

Step 2: Government develops a negotiation position. Under FAR 42.705-1(b)(4), the Government negotiating team shall develop a negotiation position. Pursuant to 10 U.S.C. § 3745 and 41 U.S.C. § 4305, the contracting officer shall (i) not resolve any questioned costs until obtaining — (the regulation cross-references the audit report and advance agreements) — and (ii) whenever possible, invite the contract auditor to serve as an advisor at any negotiation or meeting with the contractor on the determination of the contractor's final indirect cost rates. The negotiation position is the government's opening position: which questioned costs will the contracting officer pursue, which costs will the government concede, what rates does the government believe are supportable, and what is the government's target settlement range? The contracting officer's negotiation team may include the auditor, a contract price/cost analyst, an administrative contracting officer specialist, and for complex or high-dollar contractors, legal counsel from the agency. The statutory mandate that the contracting officer not resolve questioned costs without the audit report means the contracting officer may not preemptively agree to allow costs the auditor has questioned without at a minimum reviewing the auditor's rationale and considering whether the auditor's position is correct under FAR Part 31 and CAS.

Step 3: Negotiation. Under FAR 42.705-1(b)(3), after the audit report is received and the government has developed its position, the contracting officer (or CFAO) and the contractor negotiate the final indirect cost rates. The negotiation may take place in person (a face-to-face negotiation session at the contractor's facility, the DCMA office, or another location), by teleconference or videoconference, or by written correspondence if the issues are straightforward and the dollar amounts are modest. The contractor is given the opportunity to respond to the advisory audit report — to provide additional documentation supporting costs the auditor questioned, to explain why the contractor believes the auditor's interpretation of FAR Part 31 or CAS is incorrect, and to propose a resolution for any disputed items. The contracting officer evaluates the contractor's response and the auditor's rebuttal (if any), and the parties seek to reach agreement on: (a) the allowability of each questioned cost (allowed in full, disallowed, or allowed in part), (b) the final indirect cost pools (after adjustments for any disallowed costs), (c) the final allocation bases, (d) the resulting final indirect cost rates, and (e) any other matters affecting cost recovery for the fiscal year (for example, whether a CAS noncompliance exists, whether the contractor must prospectively change an accounting practice, whether any penalties under FAR 42.709 will be assessed). If the parties reach agreement on all material issues, they proceed to Step 4 (execution of the rate agreement). If the parties do not agree, the contracting officer proceeds to Step 5 (unilateral determination).

Step 4: Execution of the rate agreement (bilateral settlement). If the contracting officer and the contractor agree on the final indirect cost rates, FAR 42.705-1(b)(5) requires the contracting officer to: (i) prepare and execute a written indirect cost rate agreement conforming to the requirements of the contracts — the rate agreement is a formal document signed by both the contractor and the contracting officer (or CFAO) that specifies the contractor's fiscal year, the final indirect cost rates for each pool, the allocation bases, the period covered, and any special terms or conditions — and place the signed agreement in the contractor general file (the government's central repository for contractor administrative documents per FAR 4.801(c)(3)); (ii) prepare, sign, and place in the contractor general file a negotiation memorandum covering (A) the disposition of significant matters in the advisory audit report, (B) reconciliation of all costs questioned, with identification of items and amounts allowed or disallowed in the final settlement as well as the disposition of period costing or allocability issues, (C) reasons why any recommendations of the auditor or other Government advisors were not followed, and (D) a complete list of advance agreements or other pricing guidance that the contracting officer considered in negotiating the rates; and (iii) distribute the rate agreement in accordance with FAR 42.706 (which requires distribution to the contractor, to all contracting officers with contracts affected by the rates, and to the payment office). The negotiation memorandum is an internal government document (not provided to the contractor) that establishes the administrative record for the rate settlement — it is critical for documenting the contracting officer's rationale if the settlement is later questioned by an agency inspector general, the GAO, or in litigation.

Step 5: Unilateral determination (when parties do not agree). If the contracting officer and contractor cannot reach agreement on the final rates, the contracting officer must issue a unilateral determination. FAR 42.705-1(b) does not explicitly prescribe the mechanics of unilateral determination, but board and court precedent and the statutory framework under 10 U.S.C. § 3745 and 41 U.S.C. § 4305 establish that the contracting officer must: (a) determine the final indirect cost rates based on the record (the contractor's ICS, the audit report, the contractor's response, and any additional information obtained during negotiations), (b) prepare a contracting officer final decision under FAR Subpart 33.2 (the Disputes clause procedures) documenting the determined rates and the basis for disallowing any questioned costs or departing from the contractor's proposed rates, and (c) provide the contractor with the final decision in writing, including the appeal rights language required by FAR 33.211 (the contractor has 90 days to appeal the final decision to the cognizant board of contract appeals or to the Court of Federal Claims, or the contractor may submit a claim under the Contract Disputes Act). The contracting officer then executes a unilateral indirect cost rate determination (a one-signature document signed only by the contracting officer, not the contractor) and distributes it per FAR 42.706. The unilateral determination is binding on the contractor unless appealed, and the contractor must submit adjustment vouchers based on the unilaterally determined rates. If the contractor appeals, the rates remain in effect pending resolution of the appeal unless the board or court grants a stay. The appeal may result in the board or court upholding the contracting officer's determination, modifying the rates, or remanding to the contracting officer for further proceedings.

Auditor determination — the streamlined process under FAR 42.705-2. For contractors eligible for auditor determination (typically small contractors with primarily fixed-price work, or contractors with clean audit histories and no cost disputes), the process under FAR 42.705-2(b) is simpler: (1) the contractor submits the final indirect cost rate proposal to the cognizant contracting officer (or CFAO) and to the auditor in accordance with FAR 42.705-1(b)(1); (2) once the proposal is determined adequate for audit, the auditor audits the proposal and prepares an advisory audit report (same as under FAR 42.705-1), including a listing of any relevant advance agreements or restrictive terms of specific contracts; (3) the auditor seeks agreement on indirect costs with the contractor — the auditor (not the contracting officer) conducts the negotiation with the contractor; (4) if agreement is reached, the auditor prepares an indirect cost rate agreement conforming to the requirements of the contracts, and the agreement is signed by the contractor and the auditor (not the contracting officer) — the auditor determination agreement is bilateral and has the same binding effect as a contracting-officer-determined agreement; (5) if the auditor and contractor cannot reach agreement, the auditor forwards the audit report to the contracting officer (or CFAO) identified in the Directory of Contract Administration Services Components (see FAR 42.203), who will then resolve the disagreement — at that point, the process converts to a contracting officer determination under FAR 42.705-1, and the contracting officer issues a final decision as described in Step 5 above. The advantage of auditor determination is speed and reduced administrative burden: the auditor can often settle rates within weeks or months of completing the audit, whereas contracting officer determination may take longer if the contracting officer's office has backlogs, if the government must assemble a negotiation team, or if the contractor and government have significant disagreements requiring senior-level negotiation.

Content of the final indirect cost rate agreement. Whether the agreement is executed under contracting officer determination (FAR 42.705-1) or auditor determination (FAR 42.705-2), the written indirect cost rate agreement must conform to the requirements of the contracts and must specify:

• Fiscal year covered. The contractor's fiscal year (e.g., "Fiscal Year Ended December 31, 2024").
• Final indirect cost rates. For each indirect cost pool maintained by the contractor (fringe benefits, overhead, G&A, and any other pools), the final rate expressed as a percentage or ratio, calculated as the final pool (after all adjustments and disallowances) divided by the final base. For example: "Fringe Benefits 28.50%, Overhead 72.30%, G&A 18.75%."
• Allocation bases. The allocation base for each pool, and the total dollar amount of the base. For example: "Fringe Benefits allocated over Total Labor ($2,000,000); Overhead allocated over Direct Labor plus Fringe ($1,500,000); G&A allocated over Total Cost Input ($6,000,000)."
• Applicable contracts. A statement that the rates apply to all contracts subject to FAR 52.216-7 (Allowable Cost and Payment) for which costs were incurred during the covered fiscal year.
• Special terms or conditions. Any limitations, ceilings, or special rules. Examples include: contractual rate ceilings (some contracts specify that the allowable indirect rate may not exceed a specified percentage, e.g., "G&A not to exceed 20%"); advance agreements limiting certain cost categories; CAS noncompliance adjustments (if a CAS noncompliance was resolved as part of the rate settlement, the agreement may incorporate the noncompliance adjustment); unallowable cost penalties (if FAR 42.709 penalties were assessed, the agreement may reference them or incorporate them into the settled rates); and any other government determinations affecting cost recovery (for example, a finding that the contractor's depreciation lives must be revised prospectively).
• Effective date. The date the agreement is executed, which is the date the rates become final.
• Signature block. Signature of the contractor's authorized representative (typically the chief financial officer, controller, or contracts manager) and signature of the contracting officer or auditor (depending on whether the agreement is under FAR 42.705-1 or FAR 42.705-2).

Post-settlement obligations — completion invoice and contract closeout. Under FAR 42.705(b), within 120 days (or longer period, if approved in writing by the contracting officer) after settlement of the final annual indirect cost rates for all years of a physically complete contract, the contractor must submit a completion invoice or voucher reflecting the settled amounts and rates. This is the final billing step: after final rates are settled, the contractor prepares an adjustment voucher for each affected contract, recalculating total allowable costs using the final rates instead of the billing rates, and submitting either a receivable (if the contractor underbilled because final rates exceeded billing rates) or a payable (if the contractor overbilled because final rates were lower than billing rates). FAR 42.705(b) permits the contracting officer to approve a longer period (more than 120 days) to determine whether there are extenuating circumstances, such as: (1) pending closeout of subcontracts awaiting government audit, (2) pending contractor, subcontractor, or government claims, or (3) delays in the disposition of government property. Contractors that fail to submit the completion invoice within the 120-day period (or approved extension) risk having the contracting officer unilaterally determine the amounts due under the contract per FAR 42.705(c)(1), issue a final payment or demand for repayment, and close out the contract without the contractor's input. Timely submission of the completion invoice is essential to ensure the contractor can claim any underbillings and can participate in finalizing the contract cost reconciliation.

Disputes and appeals. When the contracting officer issues a final decision under FAR 42.705-1 (unilateral determination) or when the contracting officer resolves a disagreement elevated from auditor determination under FAR 42.705-2(b)(2)(iv), the contractor may appeal the final decision to the cognizant board of contract appeals (the Armed Services Board of Contract Appeals for DoD contracts, the Civilian Board of Contract Appeals for most civilian agency contracts, or an agency-specific board) or to the Court of Federal Claims within 90 days of receipt of the final decision, under the Contract Disputes Act (41 U.S.C. Chapter 71). The appeal may challenge: the contracting officer's disallowance of costs (arguing that the costs were allowable under FAR Part 31 and should have been included in the final rates); the contracting officer's determination of CAS noncompliance or the cost impact of a noncompliance; the contracting officer's calculation of the indirect cost pools or allocation bases; or the contracting officer's interpretation of an advance agreement or contract limitation. The board or court will review the final decision under the Contract Disputes Act framework, with the contractor bearing the burden of proving that the contracting officer's determination was incorrect. Appeals of final indirect cost rate determinations are common and can take years to resolve, during which time the contracting officer's determined rates remain in effect unless the contractor obtains a stay.

Relationship to quick-closeout procedure (FAR 42.708). For firm-fixed-price contracts and contracts that contain only a small dollar value of cost-reimbursement work (subcontracts or T&M line items), waiting for final indirect cost rate settlement on all of the contractor's contracts can delay closeout of individual contracts for years if the contractor has large cost-reimbursement contracts still open or if the ICS audit is delayed. FAR 42.708 provides a quick-closeout procedure under which the contracting officer and the contractor may agree to close out a contract before final indirect cost rates are established, based on the contractor's submission of an interim settlement proposal and the contracting officer's determination that the amounts claimed are reasonable. The quick-closeout procedure may be used when: (a) a contract is physically complete, (b) the amount of unsettled indirect costs allocable to the contract is relatively insignificant, and (c) agreement can be reached on a reasonable estimate of allocable costs. The contracting officer and contractor execute a quick-closeout settlement, the contractor releases the government from further cost claims on the contract (except for potential adjustments when final rates are established), and the contract is closed. When final rates are later established under FAR 42.705, if the actual final rates differ materially from the quick-closeout estimate, the parties may execute a supplemental agreement to adjust the contract price, but the burden is on the party seeking the adjustment to show that the variance is material. Quick-closeout is a risk-management tool for contractors that want to finalize contract closeout and release retention or de-obligate funds, and for the government when the administrative cost of keeping the contract open exceeds the potential cost adjustment.

Completion voucher mechanics — true-up after rate settlement. Once final rates are settled, FAR 52.216-7(d)(2)(v) (the Allowable Cost and Payment clause) requires the contractor to update the billings on all contracts to reflect the final settled rates and update the schedule of cumulative direct and indirect costs claimed and billed (Schedule I of the ICS) within 60 days after settlement of final indirect cost rates. This is the adjustment-voucher process: for each contract covered by the settled rates, the contractor prepares a public voucher (Standard Form 1034, or WAWF in the DoD electronic invoicing system) that recalculates the contract's total indirect costs by applying the final rates to the contract's direct cost base (or other allocation base), compares that amount to the cumulative indirect costs billed during the fiscal year using provisional billing rates, and shows the net over- or underbilling. If the contractor underbilled (final rates higher than billing rates, or direct costs were higher than anticipated when billing rates were set), the contractor submits a receivable voucher claiming the difference. If the contractor overbilled (final rates lower than billing rates, or the contractor's cost growth was less than projected), the contractor either submits a credit voucher or offsets the overbilling against amounts due on other contracts, and the government may demand repayment. The 60-day deadline in FAR 52.216-7(d)(2)(v) is a contract performance requirement; contractors that fail to submit the adjustment vouchers within 60 days after final rate settlement may be cited for noncompliance during DCAA accounting system audits under DFARS 252.242-7006, which requires that billings can be reconciled to the cost accounts for both current and cumulative amounts claimed.

Timing and delays — the years-long ICS-to-settlement cycle. In practice, the final indirect cost rate determination process is protracted. A typical timeline for a mid-size contractor with moderate audit complexity is: (1) contractor submits the ICS within six months after fiscal year-end (required deadline under FAR 52.216-7(d)(2)(i)); (2) DCAA (or the contracting officer) makes an adequacy determination within 30 to 90 days of submission (though this can stretch to six months or more if the submission is deficient and must be corrected and resubmitted); (3) DCAA audits the ICS over a period of six months to two years (depending on DCAA's audit backlog, the contractor's size and complexity, and whether the auditor identifies significant questioned costs or systemic issues requiring expanded audit procedures); (4) after DCAA issues the advisory audit report, the contractor responds to questioned costs, typically within 30 to 60 days; (5) the contracting officer and contractor negotiate over a period of weeks to months (or longer if the parties are far apart or if the contractor disputes major audit findings); (6) the parties execute the final rate agreement, or the contracting officer issues a unilateral determination; and (7) the contractor submits adjustment vouchers within 60 days of settlement. For a contractor with a December 31 fiscal year-end, an ICS submitted by June 30 of the following year may not result in final rate settlement until two to four years after the fiscal year ended — i.e., the ICS for fiscal year 2022 (submitted June 30, 2023) might be settled in calendar year 2025 or 2026. The delay is compounded for contractors with multiple years of open ICSs — if a contractor has fiscal years 2020, 2021, 2022, and 2023 all awaiting final rate settlement, DCAA and the contracting officer may audit and settle them in sequence (oldest first) or may bundle them and settle multiple years together if the issues are similar. Contractors with sustained backlogs may have five or more fiscal years open at any given time, and contracts cannot close out until all relevant fiscal years' rates are settled. This multi-year lag creates cash-flow and accounting challenges for contractors: the contractor may be underbilled (and thus owed money by the government) or overbilled (and thus owing money to the government) for years, and the contractor cannot finalize its contract cost ledgers or release retainages until settlement occurs.

Impact of advance agreements and forward pricing rate agreements. Advance agreements under FAR 31.109 and forward pricing rate agreements (FPRAs) under FAR Subpart 42.17 can streamline the final rate determination process. An advance agreement is a written understanding between the contractor and the government (negotiated and executed in advance of incurring the costs) on the treatment of certain costs or on the accounting methods to be used — for example, an advance agreement on the service lives for depreciation of certain asset classes, or on the allowability of a proposed restructuring. When an advance agreement exists and the contractor complies with it, the contracting officer is bound by the advance agreement when establishing final rates; the contracting officer may not re-litigate the issue during final rate negotiations. This removes uncertainty and reduces negotiation time. A forward pricing rate agreement (FPRA) under FAR 42.1701 is a written agreement between the contractor and the administrative contracting officer that establishes specific indirect cost rates (and often other forward-pricing factors such as labor escalation or material handling rates) for a specified future period (typically one or more fiscal years) for use in pricing new contract proposals and for interim billing on cost-reimbursement contracts. When an FPRA is in place, the agreed rates are used for proposal pricing and for billing, but the FPRA rates are still estimates for purposes of final cost recovery: at fiscal year-end, the contractor still submits an ICS showing actual incurred costs, and final rates are established under FAR 42.705. However, when an FPRA is in place, the final rate negotiation is often streamlined because the government and contractor have already agreed on the cost structure, the allocation methodology, and the rate ranges, and the primary focus shifts to whether the contractor's actual costs during the year were consistent with the estimates and whether any unallowable costs must be excluded. FPRAs are most common for large contractors with significant proposal volume (five or more proposals per year, or annual government contract awards exceeding $200 million per DCMA practice).

Penalties and false certification — when the ICS is fraudulent. Under FAR 42.703(d), the contracting officer should consult with legal counsel to determine appropriate action when a contractor's certificate of final indirect costs is thought to be false. The contractor's ICS must include the Certificate of Final Indirect Costs prescribed at FAR 52.242-4, which certifies (among other things) that all costs included in the proposal are allowable under the contract cost principles, that the proposal does not include any costs known to be unallowable, and that the accounting practices used to accumulate and report costs are consistent with the contractor's disclosed practices. If the government discovers that the contractor knowingly certified false information (for example, the contractor knowingly included expressly unallowable costs in the ICS, or the contractor knowingly used a noncompliant accounting practice), the consequences extend beyond the FAR 42.709 penalties for unallowable costs: the contractor may face False Claims Act liability under 31 U.S.C. § 3729 (civil penalties of $5,000 to $10,000 per false claim, plus treble damages), criminal prosecution under 18 U.S.C. § 287 (false claims) or 18 U.S.C. § 1001 (false statements), and suspension and debarment under FAR Subpart 9.4. The government may also void the final rate agreement if it was procured by fraud and may re-audit prior fiscal years' ICSs to determine whether the fraud was part of a pattern. FAR 42.705(d) provides that the penalties prescribed by 10 U.S.C. § 3743 and 41 U.S.C. § 4303 apply to submission of unallowable costs in final indirect cost rate proposals — these are the statutory penalties implemented by FAR 42.709, which require the contractor to repay any expressly unallowable costs plus interest, and to pay a penalty of up to twice the amount of any costs that were previously determined to be unallowable for that contractor.

Source: FAR 42.705, Final indirect cost rates Source: FAR 42.705-1, Contracting officer determination procedure Source: FAR 42.705-2, Auditor determination procedure Source: 10 U.S.C. § 3745, Require documentation from departments Source: 41 U.S.C. § 4305, Require documentation from agencies

When adequate price competition exists, the contracting officer is prohibited from requiring certified cost or pricing data under the Truth in Negotiations Act, regardless of contract dollar value. Under FAR 15.403-1(b)(1), the contracting officer shall not require certified cost or pricing data when the contracting officer determines that prices agreed upon are based on adequate price competition (see the standards in FAR 15.403-1(c)(1)). This is the most commonly invoked exception to the TINA certified-data requirement, and it reflects the statutory and regulatory policy that competitive market forces are the preferred mechanism for establishing price reasonableness. When two or more offerors compete independently and the government awards to the offeror representing the best value where price is a substantial factor, the competition itself — rather than detailed examination of the offeror's cost buildup — provides assurance that the negotiated price is fair and reasonable. The adequate-price-competition exception applies to prime contracts, subcontracts, and contract modifications, and it is self-executing: if the three statutory conditions are met, certified cost or pricing data may not be obtained, even if the contracting officer would prefer to examine cost data.

The three-prong test for adequate price competition — DoD, NASA, and Coast Guard. For Department of Defense, NASA, and Coast Guard acquisitions, adequate price competition is defined by a strict three-prong conjunctive test at FAR 15.403-1(c)(1)(i) (effective June 12, 2019, following the National Defense Authorization Act for Fiscal Year 2019, section 818 of Pub. L. 115-232). A price is based on adequate price competition when:

(A) Two or more responsible offerors, competing independently, submit priced offers that satisfy the Government's expressed requirement;

(B) Award will be made to the offeror whose proposal represents the best value (see FAR 2.101) where price is a substantial factor in source selection; and

(C) There is no finding that the price of the otherwise successful offeror is unreasonable. Any finding that the price is unreasonable must be supported by a statement of the facts and approved at a level above the contracting officer.

All three prongs must be satisfied. Failure of any one prong means the exception does not apply, and if the contract exceeds the TINA threshold ($2 million as adjusted for inflation under 41 U.S.C. § 1908, most recently effective July 1, 2018), certified cost or pricing data are required unless another exception applies (commercial item, prices set by law or regulation, or waiver).

Prong (A): Two or more responsible offerors, competing independently, submit priced offers. This prong has four elements, each of which has been the subject of regulatory clarification and case law:

1. "Two or more … offerors." The regulation requires at least two priced offers. For DoD, NASA, and Coast Guard procurements, the two-offer requirement is a bright-line rule established by the NDAA for Fiscal Year 2019 (section 818 of Pub. L. 115-232, effective June 12, 2019), which amended 10 U.S.C. Chapter 271 to eliminate the prior "reasonable expectation of competition / single offer" rule that had applied to DoD. Under the pre-2019 rule, DoD could find adequate price competition even when only one offer was received, if the contracting officer had a reasonable expectation that two or more offerors would compete and the single offeror submitted its offer with the expectation of competition. That rule was repealed for DoD, NASA, and Coast Guard. Under the current FAR 15.403-1(c)(1)(i)(A), two or more offers must actually be received and evaluated. If only one offer is received — even if the solicitation generated significant interest, even if the contracting officer reasonably expected multiple offers, and even if the single offeror priced its offer competitively in anticipation of competition — the adequate-price-competition exception does not apply for DoD, NASA, and Coast Guard, and certified cost or pricing data are required (if the contract exceeds the threshold and no other exception applies).

2. "Responsible offerors." Each offeror must be responsible within the meaning of FAR 9.104 — i.e., the offeror must have adequate financial resources, the necessary organization and experience, the technical capability, and the requisite integrity to perform the contract. If one of the two offerors that submitted a priced offer is found nonresponsible by the contracting officer after offer evaluation, that offeror's offer does not count toward the two-offer threshold. For example, if three offerors submit priced offers but one is rejected as nonresponsible before price evaluation and one other is found nonresponsive (offer did not satisfy the solicitation requirements), only one responsible, responsive offer remains, and the adequate-price-competition exception is not met. The responsibility determination must be made before the contracting officer determines whether adequate price competition exists. Contractors and contracting officers must carefully track the number of responsible and responsive offers actually received, not merely the number of solicitation responses.

3. "Competing independently." The offerors must compete independently — they may not collude, coordinate pricing, or submit offers as a team or partnership when the solicitation did not contemplate teaming. If the contracting officer discovers (or reasonably suspects) that two or more offerors coordinated their pricing or engaged in bid-rigging, those offers are not independent, and the exception does not apply. The independence requirement is grounded in the antitrust principles enforced by the Department of Justice and the Federal Trade Commission; when offerors collude, competition does not produce a market-clearing price, and the government loses the benefit of competitive pricing. The independence determination is made on the facts known to the contracting officer at the time of award. If collusion is discovered after award, the contract may be voidable and the contracting officer may pursue remedies under the anti-kickback statutes, the False Claims Act, and criminal antitrust law, but the post-award discovery of collusion does not retroactively invalidate the adequate-price-competition determination made in good faith at the time of award.

4. "Submit priced offers that satisfy the Government's expressed requirement." Both (or all) offerors must submit offers that are responsive to the solicitation — the offers must conform to the material terms and conditions of the solicitation, must satisfy the technical requirements, and must include a priced offer (a total evaluated price or, for cost-reimbursement procurements, a proposed cost plus fee). An offer that is technically acceptable but fails to include a price (or includes only a "price to be determined") is not a priced offer and does not count. Similarly, an offer that proposes a product or service that does not meet the government's minimum requirements — for example, an offer that takes exception to a material specification or delivery term — is nonresponsive and does not satisfy the government's expressed requirement. The determination of whether an offer satisfies the expressed requirement is made under the responsiveness standards in FAR 14.301 (for sealed bidding, which rarely triggers the adequate-price-competition analysis because sealed-bid contracts are categorically exempt from TINA under FAR 15.403-1(c)) or under the evaluation criteria in the solicitation (for negotiated procurements under FAR Part 15). When the government conducts discussions under FAR 15.306 and allows offerors to revise their proposals, the revised proposals submitted after discussions are the offers evaluated for purposes of the two-offer test; initial proposals that were deficient but were made acceptable through discussions do count as priced offers satisfying the requirement if the final revised proposal is acceptable.

Prong (B): Award to the offeror representing best value where price is a substantial factor. This prong imposes two requirements: the award must be made on a best-value basis (as defined in FAR 2.101), and price must be a substantial factor in the source selection decision.

"Best value." FAR 2.101 defines "best value" as "the expected outcome of an acquisition that, in the Government's estimation, provides the greatest overall benefit in response to the requirement." Best value may be achieved through various source selection approaches, including lowest price technically acceptable (LPTA), tradeoff between price and non-price factors, or price-related factors such as cost realism (see FAR 15.101). The key is that the government evaluates offers against the solicitation's stated evaluation criteria and selects the offer that provides the greatest benefit to the government. Prong (B) is almost always satisfied in competitive negotiated procurements under FAR Part 15, because FAR 15.101 requires the contracting officer to select the offer that provides the best value.

"Price is a substantial factor in source selection." This is the critical gate. Price must be not merely considered but must be a substantial — i.e., significant or material — factor in the award decision. FAR 15.403-1(c)(1)(i)(B) does not define "substantial," and the regulation does not prescribe a specific percentage weight or ranking for price. GAO and board decisions have held that price is a substantial factor when the solicitation's evaluation scheme assigns meaningful weight to price, when price is listed among the principal evaluation factors, or when the solicitation states that price will be compared among offerors and will influence the award decision. Price is not a substantial factor when the solicitation specifies that award will be made solely on the basis of technical merit without regard to price, or when price is listed as a minor consideration well below technical and past-performance factors and the solicitation states that a technically superior offer may be selected even at a significantly higher price. In practice, the vast majority of FAR Part 15 competitive negotiated procurements satisfy the "price is a substantial factor" test, because FAR 15.304 requires the solicitation to state the relative importance of all evaluation factors and subfactors (including price), and price is ordinarily one of the top-tier factors. Contracting officers should document in the source selection decision or price negotiation memorandum that price was a substantial factor, and should explain how price influenced the competitive range determination, discussions, and final award decision.

Prong (C): No finding that the otherwise successful offeror's price is unreasonable. The third prong is a negative condition: the contracting officer must not find that the price of the offeror to whom award will be made (the "otherwise successful offeror") is unreasonable. This prong is a safety valve to prevent the adequate-price-competition exception from applying when the winning offeror's price — even though lower than the competitor's price — is nevertheless so high that it does not represent a fair and reasonable price to the government. For example, if two offerors compete, Offeror A proposes $10 million and Offeror B proposes $12 million, and the government determines that a reasonable price for the requirement should be approximately $6 million (based on the government's independent cost estimate, historical prices for the same or similar items, or market research), the contracting officer may find that Offeror A's price of $10 million — even though it is the lower of the two offers — is unreasonable because it substantially exceeds what the government should pay. If the contracting officer makes such a finding, prong (C) is not satisfied, and the adequate-price-competition exception does not apply. In that scenario, the contracting officer would either (1) require Offeror A to submit certified cost or pricing data to determine whether the $10 million price can be supported (if the contract exceeds the TINA threshold), or (2) conduct further negotiations to bring the price down to a reasonable level, or (3) cancel the solicitation if no offeror can meet the requirement at a reasonable price.

Importantly, FAR 15.403-1(c)(1)(i)(C) provides that any finding that the price is unreasonable must be (i) supported by a statement of the facts, and (ii) approved at a level above the contracting officer. This approval requirement prevents contracting officers from routinely circumventing the adequate-price-competition exception by making unsupported findings of price unreasonableness. The contracting officer must document in writing why the price is unreasonable (for example, "the proposed price of $10 million is 65% higher than the government's independent cost estimate of $6.1 million and 80% higher than the price paid for the same item on three prior similar contracts"), and that written determination must be reviewed and approved by the contracting officer's supervisor or another official at a higher organizational level. The requirement for higher-level approval is a procedural safeguard to ensure that findings of price unreasonableness — which trigger the requirement for certified cost or pricing data and the associated burden on the offeror — are made only when justified by objective evidence.

When prong (C) is satisfied — i.e., when the contracting officer does not find the otherwise successful offeror's price to be unreasonable — the adequate-price-competition exception applies, and certified cost or pricing data may not be obtained. The contracting officer must still perform a price analysis under FAR 15.404-1(b) (the price analysis techniques prescribed at FAR 15.404-1(b)(2) include comparison of proposed prices received in response to the solicitation, comparison to competitive published or market prices, and use of parametric estimating methods) to determine whether the price is fair and reasonable (because every contract award requires a determination of price reasonableness per FAR 15.402), but the price analysis will rely on comparison of the competitive offers rather than on examination of the offeror's cost buildup. FAR 15.403-3(b) provides that when adequate price competition exists, generally no additional data are necessary to determine the reasonableness of price. The contracting officer may request data other than certified cost or pricing data from the offeror (for example, sales history, catalog prices, or other pricing information) under FAR 15.403-3(b) if there are "unusual circumstances where it is concluded that additional data are necessary," but the data need not be certified and the defective-pricing remedy under 10 U.S.C. § 3706 / 41 U.S.C. § 3506 does not apply.

Civilian agency alternative — the single-offer adequate-price-competition rule under FAR 15.403-1(c)(1)(ii). For agencies other than DoD, NASA, and the Coast Guard, FAR 15.403-1(c)(1)(ii) provides an alternative pathway to the adequate-price-competition exception that applies even when only one offer is received. Under this provision, a price is also based on adequate price competition when:

(A) There was a reasonable expectation, based on market research or other assessment, that two or more responsible offerors, competing independently, would submit priced offers in response to the solicitation's expressed requirement, even though only one offer is received from a responsible offeror and if—

(1) Based on the offer received, the contracting officer can reasonably conclude that the offer was submitted with the expectation of competition, e.g., circumstances indicate that:

(i) The offeror believed that at least one other offeror was capable of submitting a meaningful offer; and

(ii) The offeror had no reason to believe that other potential offerors did not intend to submit an offer; and

(2) The determination that the proposed price is based on adequate price competition and is reasonable has been approved at a level above the contracting officer.

This is a multi-layered test. For civilian agencies (all agencies other than DoD, NASA, and Coast Guard), if the solicitation yields only one offer but the contracting officer can demonstrate that (i) the government had a reasonable pre-solicitation expectation of competition (documented through market research under FAR Part 10, industry days, or responses to a sources-sought notice), (ii) the single offeror submitted its offer believing it would face competition (evidenced by competitive pricing, the offeror's prior participation in competitive procurements for the same item, or other indicia that the offeror did not price the offer as a sole-source monopoly), and (iii) a higher-level official approves the determination, then the adequate-price-competition exception applies even though only one offer was received. This rule reflects the pre-2019 policy that applied to all agencies before the NDAA 2019 statutory change; Congress elected to preserve the single-offer rule for civilian agencies while eliminating it for DoD, NASA, and Coast Guard. Civilian-agency contracting officers invoking the single-offer rule under FAR 15.403-1(c)(1)(ii) must carefully document the reasonableness of the pre-solicitation expectation of competition (with citations to market research reports, sources-sought responses, or other pre-solicitation assessments), the basis for concluding that the single offeror priced competitively, and the higher-level approval. The documentation is part of the contract file and must be retained in accordance with FAR 4.805 (contract file retention periods).

Alternatively, under FAR 15.403-1(c)(1)(ii)(B), civilian agencies may find adequate price competition when only one offer is received if (1) the contracting officer can determine price reasonableness based on price analysis (see FAR 15.404-1(b)) — for example, by comparing the offered price to the government's independent cost estimate, historical prices, or catalog prices — and (2) the determination has been approved at a level above the contracting officer. This is a pure price-analysis alternative: if the contracting officer can establish price reasonableness using one of the price analysis techniques at FAR 15.404-1(b)(2) (comparison to competitive published prices, comparison to prior procurements, comparison to independent government cost estimates, or value analysis) without examining the offeror's cost data, and if the determination is approved by a higher-level official, the single offer may be treated as based on adequate price competition and certified cost or pricing data need not be obtained.

Application to subcontracts. The adequate-price-competition exception applies to subcontracts as well as prime contracts. Under FAR 15.403-4(a)(1)(ii), when a prime contractor is required to submit certified cost or pricing data for the prime contract, the prime must also obtain certified cost or pricing data from any subcontractor at any tier whose subcontract is expected to exceed the TINA threshold ($2 million as adjusted for inflation), unless an exception at FAR 15.403-1(b) applies to that subcontractor. If the subcontractor competed the subcontract among two or more responsible offerors and the three-prong test (or, for civilian agencies, the single-offer alternative test) is satisfied, the prime contractor is not required to obtain certified cost or pricing data from the subcontractor, even if the subcontract exceeds the TINA threshold. The prime contractor is responsible for determining whether the subcontract competition meets the adequate-price-competition standard, and must document the determination in its cost proposal to the government. DCAA and contracting officers scrutinize prime contractors' determinations that subcontract prices are based on adequate price competition, particularly when the subcontractor is an affiliate or related party of the prime contractor, when the subcontract is sole-source or directed by the government, or when the subcontract value is a significant portion of the prime contract cost. The prime contractor must maintain contemporaneous documentation of the subcontract competition — solicitation, list of offerors solicited, offers received, evaluation, and award decision — and must be prepared to produce that documentation during a post-award DCAA audit or defective-pricing investigation.

Application to contract modifications. The adequate-price-competition exception also applies to contract modifications. Under FAR 15.403-1(b), the exception applies to "any action (contracts, subcontracts, or modifications)." For a modification, the contracting officer determines whether adequate price competition exists for the modification itself — not for the original contract. If the modification is competed among two or more offerors (for example, the government issues a request for proposals for a new scope of work to be added to an existing contract, and two or more contractors compete), and the three-prong test is met, certified cost or pricing data are not required for the modification. More commonly, modifications are negotiated sole-source with the incumbent contractor (because only the incumbent has access to the existing contract deliverables, the government-furnished property, or the proprietary technical data necessary to perform the modification), in which case the adequate-price-competition exception does not apply, and certified cost or pricing data are required if the modification exceeds the TINA threshold (currently $2 million per FAR 15.403-4(a)(1)). The TINA threshold for modifications is measured by the price adjustment — the net increase or decrease in contract price resulting from the modification — not by the total modified contract value. For a modification that both increases and decreases contract scope, FAR 15.403-4(a)(1)(iii) requires the contracting officer to consider both increases and decreases in the aggregate when calculating whether the threshold is exceeded.

Interaction with other exceptions. The adequate-price-competition exception is one of four exceptions to the TINA certified-data requirement enumerated at FAR 15.403-1(b). The other three exceptions are: (2) prices set by law or regulation (FAR 15.403-1(c)(2)), (3) commercial products or commercial services (FAR 15.403-1(c)(3)), and (4) waiver by the head of the contracting activity (FAR 15.403-1(c)(4)). The exceptions are alternative — if any one exception applies, certified cost or pricing data are not required. In practice, the adequate-price-competition exception is the most frequently used for negotiated procurements of non-commercial items, and the commercial-item exception is the most frequently used for procurements of commercial products and services. When none of the four exceptions applies — i.e., when the procurement is not based on adequate price competition, is not for a commercial item, does not involve prices set by law or regulation, and no waiver has been granted — and the contract or modification exceeds the TINA threshold, certified cost or pricing data are mandatory under FAR 15.403-4. The contracting officer has no discretion to waive the requirement unless the head of the contracting activity grants an exceptional-case waiver under FAR 15.403-1(c)(4).

Documentation requirements. When the contracting officer determines that the adequate-price-competition exception applies, the determination must be documented in the contract file. FAR 15.403-1(c)(1) does not prescribe a specific format for the documentation, but government audit agencies (DCAA, agency IGs) and the GAO expect the contracting officer to prepare a written memorandum for the file that: (1) identifies the number of responsible offerors that submitted priced, responsive offers satisfying the government's requirement; (2) states that award will be (or was) made on a best-value basis where price is a substantial factor; (3) confirms that the contracting officer has not found the otherwise successful offeror's price to be unreasonable (or, if the contracting officer has made a finding of price unreasonableness, states the facts supporting that finding and confirms higher-level approval); and (4) concludes that the adequate-price-competition exception applies and certified cost or pricing data are not required. For civilian agencies invoking the single-offer alternative under FAR 15.403-1(c)(1)(ii), the contracting officer must also document the reasonable expectation of competition (with citations to market research reports, sources-sought responses, or other pre-solicitation assessments), the basis for concluding that the single offeror submitted its offer with the expectation of competition, and the higher-level approval. The documentation is part of the contract file and must be retained in accordance with FAR 4.805 (contract file retention periods — generally six years and three months after final payment for most contract types, longer for construction and architect-engineer contracts). The documentation provides the administrative record supporting the contracting officer's decision not to require certified cost or pricing data, and it is critical if the determination is later challenged in a protest, an audit, or a defective-pricing investigation.

Consequences when the exception is wrongly invoked. If the contracting officer determines that adequate price competition exists and awards a contract without requiring certified cost or pricing data, but it is later discovered that the exception did not apply (for example, because one of the two offerors was affiliated with the other, or because the two offerors colluded, or because the contracting officer failed to obtain required higher-level approval for a single-offer civilian-agency determination), the government may face two adverse consequences. First, the government loses the defective-pricing remedy under 10 U.S.C. § 3706 / 41 U.S.C. § 3506: because the contractor was not required to submit certified cost or pricing data and did not execute the Certificate of Current Cost or Pricing Data, the government cannot later recover overpayments on the theory that the contractor submitted defective certified data (because no such data were submitted). Second, the government may have paid more than a fair and reasonable price because the contracting officer did not examine the contractor's cost buildup and relied solely on the apparent competition to establish price reasonableness, when in fact the competition was not genuine. In such cases, the government's recourse is limited: the government may pursue False Claims Act remedies if the contractor or the colluding offerors knowingly submitted false information or conspired to defraud the government, or the government may pursue antitrust remedies (criminal prosecution or civil damages under the Sherman Act for bid-rigging or price-fixing), but the government cannot unilaterally reduce the contract price unless it can prove fraud or a breach of the covenant of good faith and fair dealing. Contractors should be aware that wrongly invoking the adequate-price-competition exception — for example, by submitting coordinated offers through affiliated entities to create the appearance of competition — exposes the contractor to civil and criminal penalties far exceeding the defective-pricing remedy.

Source: FAR 15.403-1, Prohibition on obtaining certified cost or pricing data Source: FAR 15.403-3, Requiring data other than certified cost or pricing data Source: FAR 2.101, Definitions

For modifications negotiated after the June 30, 2026 effective date of the TINA threshold increase to $10 million, the applicable threshold depends on when the prime contract was entered into, not when the modification is executed. Under 10 U.S.C. § 3702(a), as amended by Section 1804(c) of the FY 2026 NDAA (Pub. L. 119-60, signed December 18, 2025), the statute sets distinct thresholds based on the prime contract award date: for contracts entered into on or before June 30, 2026, the TINA threshold remains $2,500,000 (as adjusted by the October 1, 2025 inflation adjustment per 41 U.S.C. § 1908); for contracts entered into after June 30, 2026, the threshold is $10,000,000. These date-specific thresholds apply both to the original contract award and to modifications of that contract. The statutory structure at 10 U.S.C. § 3702(a)(1) prescribes the prime-contract threshold ("[t]he price of the contract to the United States is expected to exceed" the specified amount), and 10 U.S.C. § 3702(a)(2) separately addresses modifications: "[t]he contractor for a prime contract … shall be required to submit cost or pricing data before the pricing of a change or modification to the contract if the price adjustment is expected to exceed" the applicable threshold. The statute does not specify that modifications negotiated after June 30, 2026 use the post-transition $10 million threshold; instead, the threshold tiers at subsection (a)(1) are defined by reference to when the prime contract was entered into, and subsection (a)(2) cross-references the prime contract without imposing a separate effective date for modifications.

The controlling rule: look to the prime contract award date. When a modification is negotiated after June 30, 2026, the contracting officer and contractor must determine whether certified cost or pricing data are required by identifying when the prime contract was entered into. If the prime contract was entered into on or before June 30, 2026, the modification threshold is $2,500,000 (the inflation-adjusted threshold under 41 U.S.C. § 1908 as published at 90 Fed. Reg. 41872, effective October 1, 2025). If the prime contract was entered into after June 30, 2026, the modification threshold is $10,000,000. This outcome is consistent with the statutory text of 10 U.S.C. § 3702(a) as amended by Section 1804(c), which explicitly preserves the $2,000,000 threshold (before inflation adjustment) for "contracts entered into on or before June 30, 2026" and applies the $10,000,000 threshold to "contracts entered into after June 30, 2026" without carving out a separate transition rule for modifications. The FAR implementing language at FAR 15.403-4(a)(1) (which as of May 30, 2026 has not yet been amended to reflect the FY 2026 NDAA threshold increase, but which will be updated no later than 180 days after the NDAA's December 18, 2025 enactment per standard FAR Council practice) is expected to mirror the statutory structure by prescribing the threshold based on the prime contract award date.

Practical application — three scenarios. The transition rule creates three distinct modification scenarios contractors will encounter during and after the second half of 2026:

Scenario 1: Prime contract awarded before July 1, 2026; modification negotiated after June 30, 2026 with price adjustment of $3 million. The prime contract was entered into on or before June 30, 2026, so the applicable TINA threshold for all modifications to that contract remains $2,500,000. Because the modification's price adjustment ($3 million) exceeds $2,500,000 and no exception applies (adequate price competition, commercial item, prices set by law or regulation, or waiver), certified cost or pricing data are required for the modification. The fact that the modification is negotiated after the June 30, 2026 statutory effective date does not cause the $10 million threshold to apply; the prime contract award date controls.

Scenario 2: Prime contract awarded after June 30, 2026; modification negotiated in 2027 with price adjustment of $8 million. The prime contract was entered into after June 30, 2026, so the applicable TINA threshold for the prime contract and all modifications is $10,000,000. Because the modification's price adjustment ($8 million) does not exceed $10,000,000, certified cost or pricing data are not required under the TINA threshold, provided no other condition triggers the requirement. (Note: if an exception to TINA initially applied to the prime contract award—for example, the contract was awarded on the basis of adequate price competition or as a commercial-item acquisition—the modification is analyzed separately under FAR 15.403-4(a)(1)(ii) to determine whether certified cost or pricing data are required for the modification itself; the modification threshold still depends on the prime contract award date, but the exception analysis is distinct.)

Scenario 3: Prime contract awarded in 2024; modification negotiated bilaterally in August 2026, with price adjustment agreed upon on July 15, 2026 (after June 30, 2026). The prime contract was entered into before June 30, 2026 (in 2024), so the modification threshold is $2,500,000. If the modification's price adjustment exceeds $2,500,000 and no exception applies, certified cost or pricing data are required. The date the modification is agreed upon or executed (July 15, 2026, which is after June 30, 2026) does not change the threshold to $10,000,000; the June 30, 2026 statutory cutoff applies to the date the prime contract was entered into, not to the modification execution date.

Rationale — statutory text and FAR structure. The TINA threshold statute at 10 U.S.C. § 3702 (for DoD, NASA, and Coast Guard) and the parallel civilian-agency statute at 41 U.S.C. § 3502 both define the threshold by reference to when the prime contract is entered into. The FY 2026 NDAA amendment at Section 1804(c) inserted new language at 10 U.S.C. § 3702(a)(1)(A) to read: "in the case of a prime contract entered into after June 30, 2026, the price of the contract to the United States is expected to exceed $10,000,000," and at 10 U.S.C. § 3702(a)(1)(B) (as redesignated): "in the case of a prime contract entered into on or before June 30, 2026, the price of the contract to the United States is expected to exceed $2,000,000." Subsection (a)(2)—which addresses modifications—states: "The contractor for a prime contract under [this chapter] shall be required to submit cost or pricing data before the pricing of a change or modification to the contract if the price adjustment is expected to exceed $2,000,000." The $2,000,000 figure in subsection (a)(2) is the base statutory threshold before inflation adjustment, and it applies across the board to modifications, subject to the inflation adjustments under 41 U.S.C. § 1908. However, the prime contract threshold in subsection (a)(1) is the gateway that determines which inflation-adjusted figure (the pre-June 30, 2026 adjusted amount, or the post-June 30, 2026 $10 million amount) governs a particular contract and its modifications.

The implementing regulation at FAR 15.403-4(a)(1) (in the version effective before the FY 2026 NDAA amendments are incorporated, which as of this writing has not yet occurred) prescribes: "The contracting officer shall obtain certified cost or pricing data … (i) Before accomplishing any price negotiation … for a prime contract … when the price of the contract to the United States is expected to exceed the threshold for obtaining cost or pricing data … (ii) Before pricing any change or modification to a sealed bid or negotiated contract … when the price adjustment is expected to exceed the threshold for obtaining cost or pricing data …" The regulation's reference to "the threshold" (singular) is an indirect reference to the statutory threshold as adjusted for inflation and as set by the date the prime contract was entered into. The FAR does not prescribe a separate threshold for modifications based on the modification execution date; instead, the modification threshold is tied to the prime contract threshold through the contract's FAR clause structure.

Role of the contract clause — FAR 52.215-21 and its successors. The TINA contract clauses (FAR 52.215-21, Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data, or one of its alternates) are incorporated into the prime contract at the time of contract award and specify the threshold applicable to that contract and to its modifications. For contracts awarded before July 1, 2018, FAR clause 52.215-21 (in the June 2020 revision) specifies a $750,000 threshold (unless the contract was modified under 10 U.S.C. § 3702(f) to update the clause language to the $2 million threshold for contracts awarded after June 30, 2018). For contracts awarded on or after July 1, 2018 and on or before June 30, 2026, the clause specifies the $2 million threshold (inflation-adjusted to $2.5 million as of October 1, 2025 per the FAR's cross-reference to the inflation-adjustment publication at 90 Fed. Reg. 41872). For contracts awarded after June 30, 2026, the clause will (once FAR amendments are promulgated, expected by June 2026 per the standard 180-day FAR Council implementation timeline) specify the $10 million threshold. The clause travels with the contract: a contract awarded in 2025 (before June 30, 2026) will carry the $2.5 million threshold in its clause, and all modifications to that contract—whether executed in 2025, 2026, 2027, or later—will be subject to the $2.5 million threshold unless the parties bilaterally modify the contract clause itself to update the threshold (which the statute does not require and which contracting officers are unlikely to undertake absent a specific FAR directive).

The statutory precedent for this clause-continuation approach is found at 10 U.S.C. § 3702(f) (formerly subsection (f) of 10 U.S.C. § 2306a, and before that a transition provision in the NDAA for Fiscal Year 2018). That provision required agencies to modify contracts entered into on or before June 30, 2018 to update the threshold from $750,000 to the new $2 million threshold for modifications, "as soon as practicable" and "without requiring consideration." The provision recognized that absent an affirmative contract modification updating the clause, the original clause threshold would continue to govern modifications. The FY 2026 NDAA does not include a parallel subsection (f)-style mandate requiring agencies to modify contracts entered into on or before June 30, 2026 to update the modification threshold to $10 million. The absence of such a mandate suggests that Congress intended the prime contract award date to determine the threshold for both the prime contract and all modifications, without requiring retrofitting of clause language.

No authority for "date of modification" threshold selection. Neither the statute (10 U.S.C. § 3702 or 41 U.S.C. § 3502) nor the implementing FAR (FAR 15.403-4 or the FAR TINA clauses) provides a legal basis for applying the modification execution date to determine the applicable TINA threshold. The statute's tiered thresholds at subsection (a)(1) are expressly keyed to the date the prime contract was entered into, and subsection (a)(2) does not override that timing rule for modifications. The FAR clause structure reinforces this outcome: the clause incorporated at prime contract award governs the contract and its modifications unless the contract is bilaterally modified to change the clause. Absent a contract clause modification or a statutory or regulatory directive to the contrary, a contractor and contracting officer negotiating a modification to a contract awarded before July 1, 2026 must apply the $2,500,000 threshold (or the threshold specified in the contract's clause), not the $10,000,000 threshold that applies to new contracts awarded after June 30, 2026. Any attempt to impose the $10 million threshold on a modification to a pre-July 1, 2026 contract would lack statutory or regulatory foundation and would be vulnerable to challenge as inconsistent with the contract clause and with the plain language of 10 U.S.C. § 3702(a)(1).

Open question — bilateral vs. unilateral modifications executed after June 30, 2026. A narrow open question exists: for a modification that is unilaterally issued by the contracting officer after June 30, 2026 to a contract awarded before that date (for example, a unilateral modification exercising an option or making an equitable adjustment under a changes clause), does the unilateral modification constitute a new "contract" entered into after June 30, 2026, such that the $10 million threshold applies? The answer is almost certainly no: under settled contract law and FAR interpretation, a modification (whether bilateral or unilateral) is not a new contract but an amendment to the existing contract, and the existing contract's award date and clause provisions continue to govern. FAR 43.103 defines "contract modification" as "any written change in the terms of a contract" and distinguishes modifications from new contracts. The TINA statute at 10 U.S.C. § 3702(a)(2) separately addresses "a change or modification to the contract," confirming that a modification is distinct from the original "contract" referenced in subsection (a)(1). The statutory transition rule keys the threshold to when the prime contract was entered into, and a modification—even a unilateral one—does not constitute entry into a new prime contract. Therefore, both bilateral and unilateral modifications are governed by the threshold applicable to the prime contract based on the prime contract award date.

Planning guidance for contractors. Contractors negotiating modifications after June 30, 2026 to contracts awarded before that date should:

1. Identify the prime contract award date. Review the contract award document (the signed contract or the contracting officer's signature date on the contract) to determine whether the prime contract was entered into on or before June 30, 2026, or after that date. If the prime contract was awarded before July 1, 2026, the modification threshold is $2,500,000; if awarded after June 30, 2026, the modification threshold is $10,000,000.

1. Review the contract's TINA clause. Examine the FAR clause 52.215-21 (or its alternate or a DFARS supplement clause) incorporated in the prime contract. The clause will specify the dollar threshold applicable to the contract and to modifications. For contracts awarded between July 1, 2018 and June 30, 2026, the clause will specify the $2,000,000 statutory threshold (which has been inflation-adjusted to $2,500,000 as of October 1, 2025). Apply that clause threshold when determining whether certified cost or pricing data are required for the modification.

1. Calculate the modification price adjustment. Under FAR 15.403-4(a)(1)(iii), when pricing a modification, the threshold is measured by the price adjustment—the net increase or decrease in contract price. If the modification both increases and decreases contract price (for example, deleting one line item and adding another), the contracting officer and contractor must consider both increases and decreases in the aggregate to determine whether the threshold is met. For example, if a modification to a contract awarded in 2025 (threshold $2,500,000) proposes to increase CLIN 1 by $2,000,000, decrease CLIN 2 by $500,000, and add CLIN 3 at $1,200,000, the aggregate price adjustment is $2,000,000 − $500,000 + $1,200,000 = $2,700,000, which exceeds the $2,500,000 threshold, so certified cost or pricing data are required (absent an exception).

1. Determine whether an exception applies. Even if the modification's price adjustment exceeds the applicable threshold, certified cost or pricing data are not required if one of the four exceptions at FAR 15.403-1(b) applies: (i) adequate price competition (the government competed the modification among two or more offerors—rare for modifications), (ii) prices set by law or regulation, (iii) commercial products or commercial services (the modification is for a commercial item), or (iv) waiver by the head of the contracting activity. If an exception applies, the contractor submits data other than certified cost or pricing data under FAR 15.403-3, and the defective-pricing remedy under 10 U.S.C. § 3706 / 41 U.S.C. § 3506 does not apply.

1. Update proposal templates and training materials. Contractors should update their proposal templates, price-volume instructions, and internal training materials to reflect the bifurcated threshold regime: for modifications to contracts awarded on or before June 30, 2026, the threshold remains $2,500,000; for modifications to contracts awarded after June 30, 2026, the threshold is $10,000,000. Proposal managers, pricing analysts, and subcontract administrators must be trained to identify the prime contract award date when preparing modification proposals and to apply the correct threshold.

The answer to the critic's question. To answer the critic's question directly: for a contract awarded before June 30, 2026 that is later modified after June 30, 2026, the $2,500,000 threshold (the inflation-adjusted threshold in effect when the prime contract was awarded) applies to the modification, not the $10,000,000 threshold. The statutory effective date of June 30, 2026 is a cutoff for the date the prime contract is entered into, not for the date modifications are negotiated or executed. The answer does not differ for bilateral modifications negotiated before vs. after June 30, 2026: in both cases, the prime contract award date controls, and if the prime contract was awarded on or before June 30, 2026, the $2,500,000 threshold applies to all modifications (whether negotiated in 2026, 2027, or any later year), unless the parties bilaterally modify the contract clause to update the threshold (which is not required by statute or regulation and is unlikely to occur in practice).

Source: 10 U.S.C. § 3702, Required cost or pricing data and certification (as amended by Pub. L. 119-60, § 1804(c)) Source: Pub. L. 119-60, § 1804(c) (FY 2026 NDAA, raising TINA threshold to $10M for contracts entered after June 30, 2026) Source: FAR 15.403-4, Requiring certified cost or pricing data