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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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552 sections with “Day”: 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 5.203 Publicizing and response time.
    … date is the date the notice appears on the GPE. The notice must be published at least 15 days before issuance of a solicitation, or a proposed contract action the Government intends to solicit and negotiate with only one source under the a…
  • FAR 7.107-5 Notifications.
    …mall business performing a contract that it intends to bundle the requirement at least 30 days prior to the issuance of the solicitation for the bundled requirement. (2) The notification shall provide the name, phone number and address of …
  • FAR 9.105-2 Determinations and documentation.
    … (ii) The contracting officer is responsible for the timely submission, within 3 working days, and sufficiency, and accuracy of the documentation regarding the nonresponsibility determination. (iii) As required by section 3010 of the Supp…
  • 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 14.409-1 Award of unclassified contracts.
    …part 9.4)— (i) Notify each unsuccessful bidder in writing or electronically within three days after contract award, that its bid was not accepted. “Day,” for purposes of the notification process, means calendar day, except that the period …
  • FAR 19.301-2 Rerepresentation by a contractor that represented its status as a small business concern.
    …ness Program Rerepresentation— (1) For the NAICS code(s) in the contract— (i) Within 30 days after execution of a novation agreement or within 30 days after modification of the contract to include the clause at 52.219-28, Postaward Small …
  • FAR 19.302 Protesting a small business representation or rerepresentation.
    …ust be received by the contracting officer by the close of business of the fifth business day after— (i) Bid opening for sealed bid acquisitions; or (ii) Receipt of the special notification from the contracting officer (see 15.503(a)(2)) …
  • FAR 19.306 Protesting a firm's status as a HUBZone small business concern.
    …acting officer— (i) For sealed bids— (A) By the close of business on the fifth business day after bid opening; or (B) By the close of business on the fifth business day from the date of identification of the apparent successful offeror, …
  • FAR 19.307 Protesting a firm's status as a service-disabled veteran-owned small business concern.
    …o the contracting officer— (i) To be received by close of business on the fifth business day after bid opening for sealed bid acquisitions; (ii) To be received by close of business on the fifth business day after receipt of the special no…
  • FAR 19.308 Protesting a firm's status as an economically disadvantaged women-owned small business concern or women-owned small business concern eligible under the Women-Owned Small Business Program.
    …e contracting officer— (i) To be received by the close of business by the fifth business day after bid opening for sealed bid acquisitions; (ii) To be received by the close of business by the fifth business day after receipt of the specia…
  • FAR 19.502-8 Rejecting Small Business Administration recommendations.
    … written notice shall be furnished to the appropriate SBA representative within 5 working days of the contracting officer's receipt of the recommendation. (b) The SBA PCR (or, if a PCR is not assigned, see 19.402(a)) may appeal the contrac…
  • FAR 19.704 Subcontracting plan requirements.
    …s ending March 31 and September 30. A report is also required for each contract within 30 days of contract completion. Reports are due 30 days after the close of each reporting period, unless otherwise directed by the contracting officer. R…
  • FAR 19.804-3 SBA acceptance.
    …he requirement will be transmitted to the contracting office in writing within 10 working days of receipt of the offer if the contract is likely to exceed the simplified acquisition threshold and within two working days of receipt if the co…
  • FAR 22.404-6 Modifications of wage determinations.
    …hanges incorporated. (2) All project wage determination modifications expire on the same day as the original determination. The need to include a modification of a project wage determination for the primary site of the work in a solicitati…
  • FAR 22.1012-1 Prevailing wage determinations.
    …terminations at SAM.gov, the time of receipt by the contracting agency shall be the first day of publication of the revised prevailing wage determination on the website. (ii) For purposes of using the e98 process, the time of receipt by th…
  • FAR 22.1012-2 Wage determinations based on collective bargaining agreements.
    …ed notice of the terms of the new or changed collective bargaining agreement less than 10 days before bid opening and the contracting officer determines that there is not reasonable time to incorporate the new or changed terms of the collec…
  • FAR 22.2104 Exclusions.
    … agreement ratified before September 30, 2016, that— (1) Already provides 56 hours (or 7 days, if the agreement refers to days rather than hours) of paid sick time (or paid time off that may be used for reasons related to sickness or healt…
  • FAR 26.504 Policy.
    … under a criminal drug statute for a violation occurring in the workplace no later than 5 days after such conviction; (5) Notifying the contracting officer in writing within 10 days after receiving notice under subdivision (a)(4)(ii) of th…
  • FAR 28.204-3 Irrevocable letter of credit.
    …es not furnish an acceptable replacement ILC, or other acceptable substitute, at least 30 days before an ILC's scheduled expiration, the contracting officer shall immediately draw on the ILC. (e) If, after the period of performance of a co…
  • FAR 32.904 Determining payment due dates.
    … invoice payment is as follows: (1) The later of the following two events: (i) The 30th day after the designated billing office receives a proper invoice from the contractor (except as provided in paragraph (b)(3) of this section). (ii) …
  • FAR 32.906 Making payments.
    (a) General. The Government will not make invoice payments earlier than 7 days prior to the due dates specified in the contract unless the agency head determines— (1) To make earlier payment on a case-by-case basis; or (2) That the use of…
  • 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 32.908 Contract clauses.
    …ay modify the date in paragraph (a)(4)(i) of the clause to specify a period longer than 7 days for constructive acceptance or constructive approval, if required to afford the Government a practicable opportunity to inspect and test the supp…
  • FAR 33.101 Definitions.
    As used in this subpart— Day means a calendar day, unless otherwise specified. In the computation of any period— (1) The day of the act, event, or default from which the designated period of time begins to run is not included; and (2) Th…
  • FAR 33.103 Protests to the agency.
    …liness requirements. Therefore, any subsequent protest to the GAO must be filed within 10 days of knowledge of initial adverse agency action (4 CFR 21.2(a)(3)). (e) Protests based on alleged apparent improprieties in a solicitation shall b…
  • 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 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 45.602-3 Screening.
    … initiate screening actions. (a) Standard screening. The standard screening period is 46 days. (1) First through twentieth day—Screening by the contracting agency. The contracting agency has 20 days to screen property reported on the inve…
  • FAR 52.203-12 Limitation on Payments to Influence Certain Federal Transactions.
    … contract, an officer or employee who is employed by such person for at least 130 working days within 1 year immediately preceding the date of the submission that initiates agency consideration of such person for receipt of such contract. A…
  • FAR 52.209-9 Updates of Publicly Available Information Regarding Responsibility Matters.
    …blic segment of FAPIIS is automatically transferred after a waiting period of 14 calendar days, except for— (i) Past performance reviews required by subpart 42.15; (ii) Information that was entered prior to April 15, 2011; or (iii) Infor…
  • FAR 52.211-8 Time of Delivery.
    …l mail or otherwise furnish to the offeror an award or notice of award not later than the day award is dated. Therefore, the offeror should compute the time available for performance beginning with the actual date of award, rather than the …
  • FAR 52.211-9 Desired and Required Time of Delivery.
    …l mail or otherwise furnish to the offeror an award or notice of award not later than the day the award is dated. Therefore, the offeror shall compute the time available for performance beginning with the actual date of award, rather than t…
  • 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 52.215-1 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 52.216-5 Price Redetermination—Prospective.
    …riod, except that the parties may agree to vary the length of the final period. The first day of the second and each succeeding period shall be the effective date of price redetermination for that period. (d) Data submission. (1) Not more …
  • FAR 52.216-6 Price Redetermination—Retroactive.
    … this contract. (c) Data submission. (1) Within __ [Contracting Officer insert number of days] days after delivery of all supplies to be delivered and completion of all services to be performed under this contract, the Contractor shall sub…
  • 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 52.216-16 Incentive Price Revision—Firm Target.
    … this contract. (c) Data submission. (1) Within __ [Contracting Officer insert number of days] days after the end of the month in which the Contractor has delivered the last unit of supplies and completed the services specified by item num…
  • FAR 52.216-17 Incentive Price Revision—Successive Targets.
    …or a final profit adjustment formula. (1) Within __ [Contracting Officer insert number of days] days after the end of the month in which the Contractor has completed ___ [see Note 1], the Contractor shall submit the following data: (i) A p…

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.