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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8 sections with “negotiated research and development or supply contracts”

  • FAR 48.201 Clauses for supply or service contracts.
    …ram requirement may be specified by the Government in the solicitation or, in the case of negotiated contracting, proposed by the contractor as part of its offer and included as a subject for negotiation. The program requirement shall be sh…
  • FAR 31.103 Contracts with commercial organizations.
    …ct modifications for supplies, services, or experimental, developmental, or research work negotiated with organizations other than educational institutions (see 31.104), construction and architect-engineer contracts (see 31.105), State and …
  • FAR 8.404 Use of Federal Supply Schedules.
    …res, administrative costs, etc.) to meet the Government's needs. Although GSA has already negotiated fair and reasonable pricing, ordering activities may seek additional discounts before placing an order (see 8.405-4). (e) The procedures u…
  • FAR 42.1303 Stop-work orders.
    (a) Stop-work orders may be used, when appropriate, in any negotiated fixed-price or cost-reimbursement supply, research and development, or service contract if work stoppage may be required for reasons such as advancement in the state-of-t…
  • FAR 43.107 Contract clause.
    … of Changes, in solicitations and contracts. The clause is available for use primarily in negotiated research and development or supply contracts for the acquisition of major weapon systems or principal subsystems. If the contract amount is…
  • FAR 2.101 Definitions.
    …r types of F.o.b., see 47.303). Forward pricing rate agreement means a written agreement negotiated between a contractor and the Government to make certain rates available during a specified period for use in pricing contracts or modificat…
  • FAR 15.404-1 Proposal analysis techniques.
    …arametric models or cost-estimating relationships; and (D) The application of audited or negotiated indirect cost rates, labor rates, and cost of money or other factors. (ii) Evaluating the effect of the offeror's current practices on fut…
  • FAR 42.302 Contract administration functions.
    …. The CAO shall notify the contracting officer when the purchase order is canceled. (64) Negotiated and execute one-time supplemental agreements providing for the extension of contract delivery schedules up to 90 days on contracts with an …

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.