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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9 sections with “definitive contract action”

  • DFARS 252.217-7027 Contract Definitization.
    …ntractor agrees to begin promptly negotiating with the Contracting Officer the terms of a definitive contract that will include— (1) All clauses required by the Federal Acquisition Regulation (FAR) on the date of execution of the undefinit…
  • DFARS 217.7406 Contract clauses.
    …of entering into the UCA or unpriced change order, the contracting officer knows that the definitive contract action will meet the criteria of FAR 15.403-1, 15.403-2, or 15.403-3 for not requiring submission of certified cost or pricing dat…
  • FAR 42.302 Contract administration functions.
    …n matters in which the administrative contracting officer (ACO) has the authority to take definitive action. (11) In connection with Cost Accounting Standards (see 48 CFR 30.601 and 48 CFR chapter 99)— (i) Determine the adequacy of the co…
  • FAR 52.232-16 Progress Payments.
    …s clause, using the following procedures: (1) If this letter contract is superseded by a definitive contract, unliquidated progress payments made under this letter contract shall be liquidated by deducting the amount from the first progres…
  • DFARS 217.7403 Policy.
    …t undefinitized contract actions shall— (a) Be used only when— (1) The negotiation of a definitive contract action is not possible in sufficient time to meet the Government's requirements; and (2) The Government's interest demands that t…
  • FAR 4.601 Definitions.
    …ract action data required to be entered into the Federal Procurement Data System (FPDS). Definitive contract means any contract that must be reported to FPDS other than an indefinite delivery vehicle. This definition is only for FPDS, and …
  • FAR 4.606 Reporting Data.
    …ns that change previously reported contract action data, regardless of dollar value: (i) Definitive contracts, including purchase orders and imprest fund buys over the micro-purchase threshold awarded by a contracting officer. (ii) Indefi…
  • FAR 7.105 Contents of written acquisition plans.
    … to a firm-fixed-price contract, because a cost history will be developed for a recurring definitive requirement. (6) Budgeting and funding. Include budget estimates, explain how they were derived, and discuss the schedule for obtaining ad…
  • DFARS 217.7401 Definitions.
    …t terms, specifications, and price, which converts the undefinitized contract action to a definitive contract. Qualifying proposal means a proposal that contains sufficient information to enable DoD to conduct meaningful analyses and audit…

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.