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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7 sections with “defective certification”

  • FAR 33.207 Contractor certification.
    …xecuted by any person authorized to bind the contractor with respect to the claim. (f) A defective certification shall not deprive a court or an agency BCA of jurisdiction over that claim. Prior to the entry of a final judgment by a court …
  • FAR 33.201 Definitions.
    …n, facilitation, mediation, fact-finding, minitrials, arbitration, and use of ombudsmen. Defective certification means a certificate which alters or otherwise deviates from the language in 33.207(c) or which is not executed by a person aut…
  • FAR 33.208 Interest on claims.
    …o collect interest on its claims against a contractor). (c) With regard to claims having defective certifications, interest shall be paid from either the date that the contracting officer initially receives the claim or October 29, 1992, w…
  • FAR 33.211 Contracting officer's decision.
    …no obligation to render a final decision on any claim exceeding $100,000 which contains a defective certification, if within 60 days after receipt of the claim, the contracting officer notifies the contractor, in writing, of the reasons why…
  • FAR 52.233-1 Disputes.
    …ld be due, if that date is later, until the date of payment. With regard to claims having defective certifications, as defined in (FAR) 48 CFR 33.201, interest shall be paid from the date that the Contracting Officer initially receives the …
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …ment is to be sent; (viii) Name, title, and phone number of person to notify in event of defective invoice; and (ix) Taxpayer Identification Number (TIN). The Contractor shall include its TIN on the invoice only if required elsewhere in t…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …cticable), title, phone number, and mailing address of person to notify in the event of a defective invoice. (viii) For payments described in paragraph (a)(1)(i) of this clause, substantiation of the amounts requested and certification in …

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.