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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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34 sections with “mistake”

  • FAR 14.407-3 Other mistakes disclosed before award.
    …dministrative determinations may be made as described in this 14.407-3 in connection with mistakes in bids alleged after opening of bids and before award. The authority to permit correction of bids is limited to bids that, as submitted, are…
  • FAR 14.407-4 Mistakes after award.
    If a contractor's discovery and request for correction of a mistake in bid is not made until after the award, it shall be processed under the procedures of subpart 33.2 and the following: (a) When a mistake in a contractor's bid is not dis…
  • FAR 14.407-2 Apparent clerical mistakes.
    (a) Any clerical mistake, apparent on its face in the bid, may be corrected by the contracting officer before award. The contracting officer first shall obtain from the bidder a verification of the bid intended. Examples of apparent mistake…
  • FAR 15.508 Discovery of mistakes.
    Mistakes in a contractor's proposal that are disclosed after award shall be processed substantially in accordance with the procedures for mistakes in bids at 14.407-4.
  • FAR 14.407 Mistakes in bids.
  • DFARS 214.407 Mistakes in bids.
  • DFARS 214.407-3 Other mistakes disclosed before award.
    (e) Authority for making a determination under FAR 14.407-3(a), (b) and (d) is delegated for the defense agencies, without power of redelegation, as follows: (i) Defense Advanced Research Projects Agency: General Counsel, DARPA. (ii) Defe…
  • FAR 14.407-1 General.
    After the opening of bids, contracting officers shall examine all bids for mistakes. In cases of apparent mistakes and in cases where the contracting officer has reason to believe that a mistake may have been made, the contracting officer s…
  • FAR 50.103-2 Types of contract adjustment.
    … a loss to the contractor, fairness may make some adjustment appropriate. (b) Correcting mistakes. (1) A contract may be amended or modified to correct or mitigate the effect of a mistake. The following are examples of mistakes that may ma…
  • FAR 50.102-3 Limitations on exercise of authority.
    …ent Accountability Office; or (iv) Involve disposal of Government surplus property. (2) Mistakes shall not be corrected by an action obligating the Government for over $1,000, unless the contracting officer receives notice of the mistake …
  • FAR 50.103-4 Facts and evidence.
    …ecifically from the Government action, with detailed supporting analysis. (d) Correcting mistakes. When a request involves possible correction of a mistake (50.103-2(b)), the contractor may be asked to furnish, in addition to the facts and…
  • FAR 33.205 Relationship of the Disputes statute to Pub. L. 85-804.
    …nly under Pub. L. 85-804; i.e., legal entitlement to rescission or reformation for mutual mistake, is now available within the authority of the contracting officer under the Disputes statute and the Disputes clause. In case of a question wh…
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …tation's closing date and time, or made in response to an amendment, or made to correct a mistake at any time before award. Proposal revision is a change to a proposal made after the solicitation closing date, at the request of or as allow…
  • FAR 8.406-2 Inspection and acceptance.
    …ontract, acceptance is conclusive, except as regards latent defects, fraud, or such gross mistakes as amount to fraud. (b) Services. The ordering activity has the right to inspect all services in accordance with the contract requirements a…
  • FAR 14.400 Scope of subpart.
    …contains procedures for the receipt, handling, opening, and disposition of bids including mistakes in bids, and subsequent award of contracts.
  • FAR 14.401 Receipt and safeguarding of bids.
    …n, and then only by an official designated for this purpose. If a sealed bid is opened by mistake (e.g., because it is not marked as being a bid), the envelope shall be signed by the opener, whose position shall also be written thereon, and…
  • FAR 15.001 Definitions.
    …citation closing date and time, or made in response to an amendment, or made to correct a mistake at any time before award. Proposal revision is a change to a proposal made after the solicitation closing date, at the request of or as allow…
  • FAR 15.306 Exchanges with offerors after receipt of proposals.
    …oposal or other concerns (e.g., perceived deficiencies, weaknesses, errors, omissions, or mistakes (see 14.407)); and (ii) Information relating to relevant past performance; and (4) Shall address adverse past performance information to wh…
  • FAR 15.404-1 Proposal analysis techniques.
    …eror or contractor without the concurrence of the contracting officer. Any discrepancy or mistake of fact (such as duplications, omissions, and errors in computation) contained in the certified cost or pricing data or data other than certif…
  • FAR 18.127 Extraordinary contractual actions.
    …Amending contracts without consideration (see 50.103-2(a)); (b) Correcting or mitigating mistakes in a contract (see 50.103-2(b)); and (c) Formalizing informal commitments (See 50.103-2(c)).
  • FAR 19.302 Protesting a small business representation or rerepresentation.
    …BA may, at its sole discretion, reopen a formal size determination to correct an error or mistake, if it is within the appeal period and no appeal has been filed with OHA or, a final decision has not been rendered by the SBA Area Office or …
  • FAR 28.101-4 Noncompliance with bid guarantee requirements.
    … under 14.304; (5) A bid guarantee becomes inadequate as a result of the correction of a mistake under 14.407 (but only if the bidder will increase the bid guarantee to the level required for the corrected bid); (6) An otherwise acceptabl…
  • FAR 37.111 Extension of services.
    …cting offices. Examples of circumstances causing such delays are bid protests and alleged mistakes in bid. In order to avoid negotiation of short extensions to existing contracts, the contracting officer may include an option clause (see 17…
  • FAR 42.1502 Policy.
    …pute. (C) A payment is reduced due to past overpayments. (D) There is an administrative mistake. (E) Late performance by the subcontractor leads to later payment by the prime contractor. (h) Agencies shall not evaluate performance for c…
  • FAR 43.301 Use of forms.
    …t of the contractor; (iv) Administrative changes such as the correction of typographical mistakes, changes in the paying office, and changes in accounting and appropriation data; (v) Supplemental agreements (see 43.103); and (vi) Removal…
  • FAR 46.705 Limitations.
    …er an inspection clause (see subpart 46.3) in relation to latent defects, fraud, or gross mistakes that amount to fraud. (c) Except for warranty clauses in construction contracts, warranty clauses shall provide that the warranty applies no…
  • FAR 49.102 Notice of termination.
    …e. The contracting officer may amend a termination notice to— (1) Correct nonsubstantive mistakes in the notice; (2) Add supplemental data or instructions; or (3) Rescind the notice if it is determined that items terminated had been comp…
  • FAR 50.101-2 Policy.
    …reviously available only under Pub. L. 85-804; e.g., rescission or reformation for mutual mistake, are now available under the authority of 41 U.S.C. chapter 71, Contract Disputes. In accordance with paragraph (a)(2) of this subsection, par…
  • FAR 52.214-12 Preparation of Bids.
    …t, subject, however, to correction to the same extent and in the same manner as any other mistake. (d) Bids for supplies or services other than those specified will not be considered unless authorized by the solicitation. (e) Bidders must…
  • FAR 52.246-2 Inspection of Supplies—Fixed-Price.
    …efore acceptance. Acceptance shall be conclusive, except for latent defects, fraud, gross mistakes amounting to fraud, or as otherwise provided in the contract. (l) If acceptance is not conclusive for any of the reasons in paragraph (k) he…
  • FAR 52.246-7 Inspection of Research and Development—Fixed-Price.
    …efore acceptance. Acceptance shall be conclusive, except for latent defects, fraud, gross mistakes amounting to fraud, or as otherwise specified in the contract. If acceptance is not conclusive for any of these causes, the Government, in ad…
  • FAR 52.246-12 Inspection of Construction.
    …arately. Acceptance shall be final and conclusive except for latent defects, fraud, gross mistakes amounting to fraud, or the Government's rights under any warranty or guarantee. (End of clause)
  • FAR 52.246-21 Warranty of Construction.
    …e Inspection and Acceptance clause of this contract with respect to latent defects, gross mistakes, or fraud. (End of clause) Alternate I (APR 1984). If the Government specifies in the contract the use of any equipment by brand name and m…
  • DFARS 252.246-7002 Warranty of construction (Germany).
    …right under the Inspection clause of this contract, with respect to latent defects, gross mistakes, or fraud. (End of clause)

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.