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 “addendum”

  • FAR 12.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    …vices, the contracting officer shall insert the clauses prescribed for this purpose in an addendum to the solicitation and contract. This clause may not be tailored. (i) Use the clause with its Alternate I when the head of the agency has w…
  • FAR 12.303 Contract format.
    …mercial Products and Commercial Services, by reference (see SF 1449, Block 27a); (2) Any addendum to 52.212-4; and (3) 52.212-5, Contract Terms and Conditions Required to Implement Statutes or Executive Orders—Commercial Products and Comm…
  • FAR 12.212 Computer software.
    …on, the Government shall have only those rights specified in the license contained in any addendum to the contract. For additional guidance regarding the use and negotiation of license agreements for commercial computer software, see 27.405…
  • FAR 12.402 Acceptance.
    …ch cases, the contracting officer shall include alternative inspection procedure(s) in an addendum and ensure these procedures and the postaward remedies adequately protect the interests of the Government. The contracting officer must caref…
  • FAR 12.404 Warranties.
    …od of time after acceptance. (3) Express warranties shall be included in the contract by addendum (see 12.302).
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …m the date specified for receipt of offers, unless another time period is specified in an addendum to the solicitation. (d) Product samples. When required by the solicitation, product samples shall be submitted at or prior to the time spec…
  • DFARS 227.7202-3 Rights in commercial computer software or commercial computer software documentation.
    …hts granted to the Government shall be enumerated in the contract license agreement or an addendum thereto.
  • DFARS 232.7002 Policy.
    …dministration data section of the contract or task or delivery order (e.g., section G, an addendum to FAR 52.212-4, or applicable clause); and (5) When the Governmentwide commercial purchase card is used as the method of payment, in which …
  • DFARS 232.7003 Procedures.
    …dministration data section of the contract or task or delivery order (e.g., section G, an addendum to FAR 52.212-4, or applicable clause) for submission of invoices by nonelectronic means. If submission of invoices by nonelectronic means is…

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.