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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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77 sections with “day of delay”: the first 40

  • FAR 22.1014 Delay over 60 days in bid opening or commencement of work.
    …t of work under a negotiated contract has been delayed, for whatever reason, more than 60 days from the date indicated on the previously submitted e98, the contracting officer shall submit a new e98. Any revision of a wage determination rec…
  • FAR 33.211 Contracting officer's decision.
    …ion to the agency board of contract appeals. If you decide to appeal, you must, within 90 days from the date you receive this decision, mail or otherwise furnish written notice to the agency board of contract appeals and provide a copy to t…
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …d by a Contracting Officer as the result of negotiations. Time, if stated as a number of days, is calculated using calendar days, unless otherwise specified, and will include Saturdays, Sundays, and legal holidays. However, if the last day…
  • FAR 52.242-17 Government Delay of Work.
    …b) A claim under this clause shall not be allowed (1) for any costs incurred more than 20 days before the Contractor shall have notified the Contracting Officer in writing of the act or failure to act involved, and (2) unless the claim, in …
  • FAR 52.246-2 Inspection of Supplies—Fixed-Price.
    … representative to whom it shall be furnished. Requests shall not require more than 2 workdays of advance notification if the Government representative is in residence in the Contractor's plant, nor more than 7 workdays in other instances. …
  • FAR 52.249-2 Termination for Convenience of the Government (Fixed-Price).
    …c) The Contractor shall submit complete termination inventory schedules no later than 120 days from the effective date of termination, unless extended in writing by the Contracting Officer upon written request of the Contractor within this …
  • FAR 52.249-3 Termination for Convenience of the Government (Dismantling, Demolition, or Removal of Improvements).
    …c) The Contractor shall submit complete termination inventory schedules no later than 120 days from the effective date of termination, unless extended in writing by the Contracting Officer upon written request of the Contractor within this …
  • DFARS 252.247-7023 Transportation of Supplies by Sea.
    …fficer and Maritime Administration (MARAD) at [email protected]— (i) Within 3 business days after contract award; or (ii) Immediately prior to the shipment departure date necessary to meet delivery schedules, whichever is earlier; and …
  • FAR 52.211-10 Commencement, Prosecution, and Completion of Work.
    … commence work under this contract within __ [Contracting Officer insert number] calendar days after the date the Contractor receives the notice to proceed, (b) prosecute the work diligently, and (c) complete the entire work ready for use n…
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …ptance of offers. The offeror agrees to hold the prices in its offer firm for 30 calendar days from the date specified for receipt of offers, unless another time period is specified in an addendum to the solicitation. (d) Product samples. …
  • FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.
    …racting Officer shall state the warranty period; e.g., at the time of delivery; within 45 days after delivery, or the specified event whose occurrence will terminate the warranty period; e.g., the number of miles or hours of use, or combina…
  • DFARS 252.232-7007 Limitation of Government's obligation.
    …his clause, the Contractor will notify the Contracting Officer in writing at least ninety days prior to the date when, in the Contractor's best judgment, the work will reach the point at which the total amount payable by the Government, inc…
  • FAR 6.305 Availability of the justification.
    …(b) and (c) of this section, the justification shall be made publicly available within 14 days after contract award. (b) In the case of a contract award permitted under 6.302-2, the justification shall be posted within 30 days after contra…
  • FAR 14.304 Submission, modification, and withdrawal of bids.
    …tial point of entry to the Government infrastructure not later than 5:00 p.m. one working day prior to the date specified for receipt of bids; or (ii) There is acceptable evidence to establish that it was received at the Government install…
  • FAR 15.208 Submission, modification, revision, and withdrawal of proposals.
    …tial point of entry to the Government infrastructure not later than 5:00 p.m. one working day prior to the date specified for receipt of proposals; or (ii) There is acceptable evidence to establish that it was received at the Government in…
  • FAR 52.214-7 Late submissions, modifications, and withdrawals of bids.
    …tial point of entry to the Government infrastructure not later than 5:00 p.m. one working day prior to the date specified for receipt of bids; or (ii) There is acceptable evidence to establish that it was received at the Government install…
  • FAR 52.214-23 Late submissions, modifications, revisions, and withdrawals of technical proposals under two-step sealed bidding.
    …tial point of entry to the Government infrastructure not later than 5:00 p.m. one working day prior to the date specified for receipt of proposals; or (ii) There is acceptable evidence to establish that it was received at the Government in…
  • DFARS 252.219-7011 Notification to delay performance.
    …98) The Contractor shall not begin performance under this purchase order until 2 working days have passed from the date of its receipt. Unless the Contractor receives notification from the Small Business Administration that it is ineligibl…
  • FAR 11.403 Supplies or services.
    …t or notice of award, the contracting officer shall evaluate the bid by adding 5 calendar days (as representing the normal time for arrival through ordinary mail). If the contract or notice of award will be transmitted electronically, (1) t…
  • FAR 14.402-3 Postponement of openings.
    … the time specified for opening of bids will be deemed to be extended to the same time of day specified in the solicitation on the first work day on which normal Government processes resume. In such cases, the time of actual bid opening sha…
  • FAR 15.406-2 Certificate of current cost or pricing data.
    …ssion involved, giving the appropriate identifying number (e.g., RFP No.). ** Insert the day, month, and year when price negotiations were concluded and price agreement was reached or, if applicable, an earlier date agreed upon between the…
  • FAR 15.506 Postaward debriefing of offerors.
    (a)(1) An offeror, upon its written request received by the agency within 3 days after the date on which that offeror has received notification of contract award in accordance with 15.503(b), shall be debriefed and furnished the basis for t…
  • FAR 32.907 Interest penalties.
    … payments on cost-reimbursement contracts for services, when payment is made more than 30 days after the designated billing office receives a proper invoice. (b) Improperly taken discount. The designated payment office will pay an interest…
  • FAR 33.104 Protests to GAO.
    …ence of such a designation, to the contracting officer, so it is received no later than 1 day after the protest is filed with the GAO. The GAO may dismiss the protest if the protester fails to furnish a complete copy of the protest within 1…
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …is contract shall bear simple interest from the date due until paid unless paid within 30 days of becoming due. The interest rate shall be the interest rate established by the Secretary of the Treasury as provided in 41 U.S.C. 7109, which i…
  • FAR 52.216-7 Allowable Cost and Payment.
    …e will make interim payments for contract financing on the __ [Contracting Officer insert day as prescribed by agency head; if not prescribed, insert “30th”] day after the designated billing office receives a proper payment request. In the…
  • FAR 52.227-10 Filing of Patent Applications—Classified Subject Matter.
    … matter of this contract classified Secret or higher, the Contractor shall, citing the 30-day provision below, transmit the proposed application to the Contracting Officer. The Government shall determine whether, for reasons of national sec…
  • FAR 52.232-25 Prompt payment.
    …onditions specified in this clause. The Government considers payment as being made on the day a check is dated or the date of an electronic funds transfer (EFT). Definitions of pertinent terms are set forth in sections 2.101, 32.001, and 32…
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …onditions specified in this clause. The Government considers payment as being made on the day a check is dated or the date of an electronic funds transfer. Definitions of pertinent terms are set forth in sections 2.101, 32.001, and 32.902 o…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …onditions specified in this clause. The Government considers payment as being made on the day a check is dated or the date of an electronic funds transfer. Definitions of pertinent terms are set forth in sections 2.101, 32.001, and 32.902 o…
  • FAR 52.232-34 Payment by Electronic Funds Transfer—Other than System for Award Management.
    …(hereafter: “designated office”) by _________ [the Contracting Officer shall insert date, days after award, days before first request, the date specified for receipt of offers if the provision at 52.232-38 is utilized, or “concurrent with f…
  • FAR 52.243-7 Notification of Changes.
    …istrative Contracting Officer in writing promptly, within ___ (to be negotiated) calendar days from the date that the Contractor identifies any Government conduct (including actions, inactions, and written or oral communications) that the C…
  • FAR 52.245-1 Government Property.
    …submit inventory disposal schedules to the Plant Clearance Officer no later than— (A) 30 days following the Contractor's determination that a property item is no longer required for performance of this contract; (B) 60 days, or such longe…
  • FAR 52.249-6 Termination (Cost-Reimbursement).
    …e Contractor defaults in performing this contract and fails to cure the default within 10 days (unless extended by the Contracting Officer) after receiving a notice specifying the default. Default includes failure to make progress in the wo…
  • FAR 3.907-6 Remedies and enforcement authority.
    … action constituting the reprisal in the absence of the disclosure. (b) No later than 30 days after receiving an Inspector General report in accordance with section 1553 of the Recovery Act, the head of the agency concerned shall determine…
  • FAR 15.503 Notifications to unsuccessful offerors.
    … entered into under the 8(a) program (see 19.805-2). (b) Postaward notices. (1) Within 3 days after the date of contract award, the contracting officer shall provide written notification to each offeror whose proposal was in the competitiv…
  • FAR 15.505 Preaward debriefing of offerors.
    …iefing by submitting a written request for debriefing to the contracting officer within 3 days after receipt of the notice of exclusion from the competition. (2) At the offeror's request, this debriefing may be delayed until after award. I…
  • FAR 31.205-6 Compensation for personal services.
    …d pension costs are unallowable if the increase is caused by a delay in funding beyond 30 days after each quarter of the year to which they are assignable. If a composite rate is used for allocating pension costs between the segments of a c…
  • FAR 52.232-29 Terms for Financing of Purchases of Commercial Products and Commercial Services.
    …t Payment Act. The designated payment office will pay approved payment requests within 30 days of submittal of a proper request for payment. (h) Conflict between terms of offeror and clause. In the event of any conflict between the terms p…
  • FAR 52.242-14 Suspension of Work.
    …c) A claim under this clause shall not be allowed (1) for any costs incurred more than 20 days before the Contractor shall have notified the Contracting Officer in writing of the act or failure to act involved (but this requirement shall no…

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.