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48 CFR · Federal Acquisition Regulation and Defense supplement

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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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88 sections with “base fee”: the first 40

  • FAR 52.223-2 Reporting of Biobased Products Under Service and Construction Contracts.
    As prescribed in 23.109(c)(2), insert the following clause: Reporting of Biobased Products Under Service and Construction Contracts (MAY 2024) (a) Definitions. As used in this clause— Biobased product means a product determined by the U.…
  • DFARS 216.405-2 Cost-plus-award-fee contracts.
    …ion at the end of an award-fee period are prohibited. (This prohibition does not apply to base-fee payments.) The fee-determining official's rating for award-fee evaluations will be provided to the contractor within 45 calendar days of the …
  • FAR 52.203-10 Price or Fee Adjustment for Illegal or Improper Activity.
    …r “fee floor” specified in the contract. (3) For cost-plus-award-fee contracts— (i) The base fee established in the contract at the time of contract award; (ii) If no base fee is specified in the contract, 30 percent of the amount of eac…
  • DFARS 215.404-74 Fee requirements for cost-plus-award-fee contracts.
    … offset policy in 215.404-73(b)(2) for facilities capital cost of money, i.e., reduce the base fee by the amount of facilities capital cost of money; and (d) Not complete a DD Form 1547.
  • FAR 2.101 Definitions.
    …chase descriptions, or the solicitation (e.g., balance, facility of use, or pattern). Biobased product means a product determined by the U.S. Department of Agriculture to be a commercial product or industrial product (other than food or fe…
  • FAR 16.203-1 Description.
    …ed contingencies. Economic price adjustments are of three general types: (1) Adjustments based on established prices. These price adjustments are based on increases or decreases from an agreed-upon level in published or otherwise establish…
  • FAR 16.305 Cost-plus-award-fee contracts.
    …fee contract is a cost-reimbursement contract that provides for a fee consisting of (a) a base amount (which may be zero) fixed at inception of the contract and (b) an award amount, based upon a judgmental evaluation by the Government, suff…
  • FAR 30.604 Processing changes to disclosed or established cost accounting practices.
    … contractor that the request shall include supporting rationale and— (A) For any request based on the criteria in 30.603-2(b)(3)(ii), the data necessary to demonstrate the required cost savings; or (B) For any request other than those bas…
  • FAR 52.216-7 Allowable Cost and Payment.
    … (d) Final indirect cost rates. (1) Final annual indirect cost rates and the appropriate bases shall be established in accordance with subpart 42.7 of the Federal Acquisition Regulation (FAR) in effect for the period covered by the indirec…
  • FAR 52.216-9 Fixed Fee—Construction.
    …ee specified in the Schedule. (b) Payment of the fixed fee shall be made in installments based upon the percentage of completion of the work as determined from estimates submitted to and approved by the Contracting Officer, but subject to …
  • FAR 52.219-9 Small Business Subcontracting Plan.
    …ectronic Subcontracting Reporting System (eSRS) means the Governmentwide, electronic, web-based system for small business subcontracting program reporting. The eSRS is located at http://www.esrs.gov. Indian tribe means any Indian tribe, ba…
  • FAR 52.230-6 Administration of Cost Accounting Standards.
    …acts and subcontracts described at FAR 16.202, 16.203, (except when price adjustments are based on actual costs of labor or material, described at 16.203-1(a)(2)), and 16.207; (2) Fixed-price incentive contracts and subcontracts where the …
  • DFARS 215.404-71-3 Contract type risk and working capital adjustment.
    …act action, (excluding facilities capital cost of money) into the Block 24a column titled Base. (ii) Insert the amount of Government estimated cost to complete (excluding facilities capital cost of money) into the Block 24b column titled B…
  • FAR 15.404-1 Proposal analysis techniques.
    … appropriate, to reflect any additions or reductions in cost elements to realistic levels based on the results of the cost realism analysis. (3) Cost realism analyses may also be used on competitive fixed-price incentive contracts or, in e…
  • FAR 15.404-4 Profit.
    …he profit or fee portion of the Government prenegotiation objective in price negotiations based on cost analysis. (1) Profit or fee prenegotiation objectives do not necessarily represent net income to contractors. Rather, they represent th…
  • FAR 15.407-1 Defective certified cost or pricing data.
    …haracter of the data to the attention of the contracting officer; (iii) The contract was based on an agreement about the total cost of the contract and there was no agreement about the cost of each item procured under such contract; or (i…
  • FAR 16.304 Cost-plus-incentive-fee contracts.
    … contract that provides for an initially negotiated fee to be adjusted later by a formula based on the relationship of total allowable costs to total target costs. Cost-plus-incentive-fee contracts are covered in subpart 16.4, Incentive Con…
  • FAR 16.405-1 Cost-plus-incentive-fee contracts.
    …contract that provides for the initially negotiated fee to be adjusted later by a formula based on the relationship of total allowable costs to total target costs. This contract type specifies a target cost, a target fee, minimum and maximu…
  • FAR 16.405-2 Cost-plus-award-fee contracts.
    …fee contract is a cost-reimbursement contract that provides for a fee consisting of (1) a base amount fixed at inception of the contract, if applicable and at the discretion of the contracting officer, and (2) an award amount that the contr…
  • FAR 52.216-8 Fixed Fee.
    …Contracting Officer may release up to 90 percent of the fee withholds under this contract based on the Contractor's past performance related to the submission and settlement of final indirect cost rate proposals. (End of clause)
  • FAR 52.216-10 Incentive Fee.
    …Contracting Officer may release up to 90 percent of the fee withholds under this contract based on the Contractor's past performance related to the submission and settlement of final indirect cost rate proposals. (d) Equitable adjustments.…
  • DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.
    …d Commercial Services (Aug 2025) (a) Definitions. As used in this clause— Computer data base means a collection of data recorded in a form capable of being processed by a computer. The term does not include computer software. Computer pr…
  • DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.
    … require only minor modification to meet the requirements of this contract. Computer database means a collection of recorded data in a form capable of being processed by a computer. The term does not include computer software. Computer pr…
  • DFARS 252.227-7018 Rights in Other Than Commercial Technical Data and Computer Software—Small Business Innovation Research Program and Small Business Technology Transfer Program.
    … require only minor modification to meet the requirements of this contract. Computer database means a collection of recorded data in a form capable of being processed by a computer. The term does not include computer software. Computer pr…
  • FAR 15.408 Solicitation provisions and contract clauses.
    …ror that are generally stocked in inventory, provide a separate cost breakdown, if priced based on cost. For interorganizational transfers priced at cost, provide a separate breakdown of cost elements. Analyze the certified cost or pricing …
  • FAR 16.505 Ordering.
    … period of performance, and be within the maximum value of the contract. (3) Performance-based acquisition methods must be used to the maximum extent practicable, if the contract or order is for services (see 37.102(a) and subpart 37.6). …
  • FAR 32.001 Definitions.
    …nment. (1) Contract financing payments include— (i) Advance payments; (ii) Performance-based payments; (iii) Commercial advance and interim payments; (iv) Progress payments based on cost under the clause at 52.232-16, Progress Payments…
  • FAR 48.104-2 Sharing acquisition savings.
    (a) Supply or service contracts. (1) The sharing base for acquisition savings is the number of affected end items on contracts of the contracting office accepting the VECP. The sharing rates (Government/contractor) for net acquisition savin…
  • FAR 52.223-23 Sustainable Products and Services.
    …ustainable Products and Services (MAY 2024) (a) Definitions. As used in this clause— Biobased product means a product determined by the U.S. Department of Agriculture (USDA) to be a commercial product or industrial product (other than foo…
  • FAR 52.232-12 Advance Payments.
    …equired under the contract, the Contracting Officer shall determine a daily interest rate based on the higher of (i) the published prime rate of the financial institution (depository) in which the special account is established or (ii) the …
  • DFARS 207.106 Additional requirements for major systems.
    …0 U.S.C. 3208(d)(2) requires that the evaluation of items developed at private expense be based on an analysis of the total value, in terms of innovative design, life-cycle costs, and other pertinent factors, of incorporating such items in …
  • DFARS 216.601 Time-and-materials contracts.
    …proval of determination and findings for time-and-materials or labor-hour contracts. (1) Base period plus any option periods is three years or less. (i) For contracts (including indefinite-delivery contracts) and orders in which the porti…
  • DFARS 252.227-7019 Validation of Asserted Restrictions—Computer Software.
    …ing Officer to evaluate the Contractor's asserted restrictions. Such information shall be based upon the records required by this clause or other information reasonably available to the Contractor. (2) Based upon the information provided, …
  • DFARS 252.227-7037 Validation of Asserted Restrictions on Technical Data.
    … the 90-day period, the Government may cancel or ignore the restrictive markings that are based on the asserted restrictions, and the failure of the Contractor or subcontractor to take the required action constitutes agreement with such Gov…
  • DFARS 252.232-7003 Electronic Submission of Payment Requests and Receiving Reports.
    …nment. (1) Contract financing payments include— (i) Advance payments; (ii) Performance-based payments; (iii) Commercial advance and interim payments; (iv) Progress payments based on cost under the clause at Federal Acquisition Regulati…
  • DFARS 252.247-7023 Transportation of Supplies by Sea.
    …e of this contract, the Contracting Officer is entitled to equitably adjust the contract, based on the unauthorized use. (i) If the Contractor did not anticipate transporting any supplies by sea at the time of contract award and, therefore…
  • FAR 3.104-1 Definitions.
    …erhead or other rates when applied to the Government portion of the applicable allocation base. Official means— (1) An officer, as defined in 5 U.S.C. 2104; (2) An employee, as defined in 5 U.S.C. 2105; (3) A member of the uniformed ser…
  • FAR 7.503 Policy.
    …(including ordering changes in contract performance or contract quantities, taking action based on evaluations of contractor performance, and accepting or rejecting contractor products or services); (vi) Terminating contracts; (vii) Deter…
  • FAR 12.207 Contract type.
    …e-delivery contracts (see Subpart 16.5) may be used when— (i) The prices are established based on a firm-fixed-price or fixed-price with economic price adjustment; or (ii) Rates are established for commercial services acquired on a time-a…
  • FAR 15.406-3 Documenting the negotiation.
    …e, and the negotiated position. Where the determination of a fair and reasonable price is based on cost analysis, the summary shall address each major cost element. When determination of a fair and reasonable price is based on price analysi…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.