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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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46 sections with “final acceptance”: the first 40

  • FAR 32.904 Determining payment due dates.
    …h day after Government acceptance of supplies delivered or services performed. (A) For a final invoice, when the payment amount is subject to contract settlement actions, acceptance is deemed to occur on the effective date of the contract …
  • FAR 2.101 Definitions.
    …e Federal agency that, on behalf of all Federal agencies, is responsible for establishing final indirect cost rates and forward pricing rates, if applicable, and administering cost accounting standards for all contracts in a business unit. …
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …rence. The Contractor shall proceed diligently with performance of this contract, pending final resolution of any dispute arising under the contract. (e) Definitions. The clause at FAR 52.202-1, Definitions, is incorporated herein by refer…
  • FAR 52.227-13 Patent Rights—Ownership by the Government.
    …at the procedures required by paragraph (e)(1) of this clause have been followed. (ii) A final report, within 3 months after completion of the contracted work, listing all subject inventions or stating that there were none, and listing all…
  • FAR 52.227-14 Rights in Data—General.
    … will furnish the Contractor a written determination, which determination will become the final agency decision regarding the appropriateness of the markings unless the Contractor files suit in a court of competent jurisdiction within 90 da…
  • FAR 52.246-2 Inspection of Supplies—Fixed-Price.
    …ement, or correction shall be considered a cost incurred, or to be incurred, in the total final negotiated cost fixed under the incentive price revision clause. However, replacements or corrections by the Contractor after the establishment …
  • DFARS 227.7103-13 Government right to review, verify, challenge, and validate asserted restrictions.
    …actor's failure to respond to the challenge notice cannot be the sole basis for issuing a final decision denying the validity of an asserted restriction. (d) Challenge and validation. All challenges shall be made in accordance with the pro…
  • DFARS 227.7203-13 Government right to review, verify, challenge, and validate asserted restrictions.
    …er a contract. The Government's right to challenge an assertion expires three years after final payment under the contract or three years after delivery of the software, whichever is later. Those limitations on the Government's challenge ri…
  • DFARS 252.227-7037 Validation of Asserted Restrictions on Technical Data.
    …e current validity of the asserted restriction; (iii) State that a Contracting Officer's final decision, issued pursuant to paragraph (g) of this clause, sustaining the validity of a prior asserted restriction identical to the current asse…
  • DFARS 252.227-7038 Patent Rights—Ownership by the Contractor (Large Business).
    …l subject inventions have been disclosed or that there are no subject inventions. (ii) A final report, within 3 months after completion of the contracted work, listing all subject inventions or stating that there were no subject inventions…
  • FAR 31.203 Indirect costs.
    …r work, indirect costs are those remaining to be allocated to intermediate or two or more final cost objectives. No final cost objective shall have allocated to it as an indirect cost any cost, if other costs incurred for the same purpose, …
  • FAR 52.232-5 Payments Under Fixed-Price Construction Contracts.
    … and conditions of the subcontract; and (4) This certification is not to be construed as final acceptance of a subcontractor's performance. (Name) (Title) (Date) (d) Refund of unearned amounts. If the Contractor, after making a certifi…
  • FAR 52.232-10 Payments Under Fixed-Price Architect-Engineer Contracts.
    … excess amount to the Contractor. (c) Upon satisfactory completion by the Contractor and final acceptance by the Contracting Officer of all the work done by the Contractor under the “Statement of Architect-Engineer Services”, the Contracto…
  • FAR 52.245-1 Government Property.
    …urplus property), or other disposition, or via a completed investigation, evaluation, and final determination for lost property. This requirement applies to all Government property under the Contractor's accountability, stewardship, possess…
  • FAR 52.246-21 Warranty of Construction.
    …er at any tier. (b) This warranty shall continue for a period of 1 year from the date of final acceptance of the work. If the Government takes possession of any part of the work before final acceptance, this warranty shall continue for a p…
  • DFARS 252.246-7002 Warranty of construction (Germany).
    …tinue for the period(s) specified in Section 13, VOB, Part B, commencing from the date of final acceptance of the work under this contract. If the Government takes possession of any part of the work before final acceptance, this warranty sh…
  • FAR 28.204-3 Irrevocable letter of credit.
    … subject to the Bonds statute, the later of— (A) One year following the expected date of final payment; (B) For performance bonds only, until completion of any warranty period; or (C) For payment bonds only, until resolution of all claim…
  • FAR 31.205-11 Depreciation.
    …if the election is made, and contractors must continue to follow it until notification of final acceptance of all deliverable items on all open negotiated Government contracts. (c) For contracts to which 48 CFR 9904.409 is not applied, exc…
  • FAR 42.302 Contract administration functions.
    …osts when there is reason to believe they should be suspended or disapproved, and approve final vouchers. (8) Issue Notices of Intent to Disallow or not Recognize Costs (see subpart 42.8). (9) Establish final indirect cost rates and billi…
  • FAR 52.228-14 Irrevocable Letter of Credit.
    …ter 31, subchapter III, Bonds, the later of— (A) One year following the expected date of final payment; (B) For performance bonds only, until completion of any warranty period; or (C) For payment bonds only, until resolution of all claim…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …d, 30 days after approval by the Contracting Officer for release to the Contractor. (ii) Final payments based on completion and acceptance of all work and presentation of release of all claims against the Government arising by virtue of th…
  • FAR 52.236-14 Availability and Use of Utility Services.
    …to measure the amount of each utility used for the purpose of determining charges. Before final acceptance of the work by the Government, the Contractor shall remove all the temporary connections, distribution lines, meters, and associated …
  • FAR 52.246-17 Warranty of Supplies of a Noncomplex Nature.
    …e Contractor in complying with this clause shall be considered when negotiating the total final price under the Incentive Price Revision clause of this contract. After establishment of the total final price, Contractor compliance with this …
  • FAR 52.246-18 Warranty of Supplies of a Complex Nature.
    …e Contractor in complying with this clause shall be considered when negotiating the total final price under the Incentive Price Revision clause of this contract. After establishment of the total final price, Contractor compliance with this …
  • FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.
    …e Contractor in complying with this clause shall be considered when negotiating the total final price under the Incentive Price Revision clause of this contract. After establishment of the total final price, Contractor compliance with this …
  • FAR 52.232-25 Prompt payment.
    …e 30th day after Government acceptance of supplies delivered or services performed. For a final invoice, when the payment amount is subject to contract settlement actions, acceptance is deemed to occur on the effective date of the contract …
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …ay after Government acceptance of the work or services completed by the Contractor. For a final invoice, when the payment amount is subject to contract settlement actions (e.g., release of claims), acceptance is deemed to occur on the effec…
  • FAR 52.237-4 Payment by Government to Contractor.
    …s payments the Contracting Officer shall retain 10 percent of the estimated payment until final completion and acceptance of the contract work. However, if the Contracting Officer finds that satisfactory progress was achieved during any per…
  • FAR 52.248-2 Value Engineering—Architect-Engineer.
    …r shall be responsible for prestudy work assembly and shall edit, reproduce, and sign the final report and each VEP. All VEP's, even if submitted earlier as an individual submission, shall be contained in the final report. (d) VEP preparat…
  • DFARS 252.217-7001 Surge option.
    …g Officer may exercise this option at any time before acceptance by the Government of the final scheduled delivery. (2) The Contracting Officer will provide a preliminary oral or written notice to the Contractor stating the quantities to b…
  • DFARS 252.217-7007 Payments.
    …k to date that the Contracting Officer may require. (c) The Government will retain until final completion and acceptance of all work covered by the job order, an amount estimated or approved by the Contracting Officer under paragraph (b) o…
  • DFARS 252.225-7009 Restriction on Acquisition of Certain Articles Containing Specialty Metals.
    …igh performance magnets that may be used in the electronic component. End item means the final production product when assembled or completed and ready for delivery under a line item of this contract. High performance magnet means a perma…
  • FAR 16.703 Basic ordering agreements.
    …3 when synopsis is required by 5.201. (3) The contracting officer shall neither make any final commitment nor authorize the contractor to begin work on an order under a basic ordering agreement until prices have been established, unless th…
  • FAR 19.705-6 Postaward responsibilities of the contracting officer.
    … Any subcontracting plan submitted in response to a sealed bid solicitation; and (2) The final negotiated subcontracting plan that was incorporated into a negotiated contract or contract modification. (d) Notify the SBA procurement center…
  • FAR 32.001 Definitions.
    …de— (i) Payments for partial deliveries that have been accepted by the Government; (ii) Final cost or fee payments where amounts owed have been settled between the Government and the contractor; (iii) For purposes of subpart 32.9 only, a…
  • FAR 32.206 Solicitation provisions and contract clauses.
    …ced by the amount of installment payments made for the item. The contractor's request for final payment for each item is required to show this calculation.
  • FAR 49.607 Delinquency notices.
    …ing terminating the contract under the provisions for default of this contract. Pending a final decision in this matter, it will be necessary to determine whether your failure to perform arose from causes beyond your control and without fau…
  • FAR 52.227-21 Technical Data Declaration, Revision, and Withholding of Payment—Major Systems.
    …data made pursuant to this paragraph. (d) Withholding of payment. (1) At any time before final payment under this contract the Contracting Officer may withhold payment as a reserve up to an amount not exceeding $100,000 or 5 percent of the…
  • FAR 52.243-1 Changes—Fixed-Price.
    … justify it, the Contracting Officer may receive and act upon a proposal submitted before final payment of the contract. (d) If the Contractor's proposal includes the cost of property made obsolete or excess by the change, the Contracting …
  • FAR 52.243-2 Changes—Cost-Reimbursement.
    … justify it, the Contracting Officer may receive and act upon a proposal submitted before final payment of the contract. (d) Failure to agree to any adjustment shall be a dispute under the Disputes clause. However, nothing in this clause s…

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.