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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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979 sections with “Time”: the first 40

  • FAR 5.203 Publicizing and response time.
    …a notice of proposed contract action to the GPE (see 5.201). All publicizing and response times are calculated based on the date of publication. The publication date is the date the notice appears on the GPE. The notice must be published at…
  • FAR 14.202-1 Bidding time.
    (a) Policy. A reasonable time for prospective bidders to prepare and submit bids shall be allowed in all invitations, consistent with the needs of the Government. (For construction contracts, see 36.213-3(a).) A bidding time (i.e., the time…
  • FAR 16.601 Time-and-materials contracts.
    (a) Definitions for the purposes of Time-and-Materials Contracts. Direct materials means those materials that enter directly into the end product, or that are used or consumed directly in connection with the furnishing of the end product o…
  • FAR 47.207-2 Duration of contract and time of performance.
    …a specific expiration date (month, day, and year) for the contract or state the length of time that the contract will remain in effect; e.g., 6 months commencing from the date of award; and (b) Include the following items as appropriate: …
  • FAR 52.211-8 Time of Delivery.
    As prescribed in 11.404(a)(2), insert the following clause: Time of Delivery (JUN 1997) (a) The Government requires delivery to be made according to the following schedule: REQUIRED DELIVERY SCHEDULE [Contracting Officer insert specific…
  • FAR 52.211-9 Desired and Required Time of Delivery.
    As prescribed in 11.404(a)(3), insert the following clause: Desired and Required Time of Delivery (JUN 1997) (a) The Government desires delivery to be made according to the following schedule: DESIRED DELIVERY SCHEDULE [Contracting Offi…
  • FAR 52.222-2 Payment for Overtime Premiums.
    As prescribed in 22.103-5(b), insert the following clause: Payment for Overtime Premiums (JUL 1990) (a) The use of overtime is authorized under this contract if the overtime premium cost does not exceed * ___ or the overtime premium is pa…
  • FAR 52.232-7 Payments under Time-and-Materials and Labor-Hour Contracts.
    As prescribed in 32.111(a)(7), insert the following clause: Payments Under Time-and-Materials and Labor-Hour Contracts (NOV 2021) The Government will pay the Contractor as follows upon the submission of vouchers approved by the Contractin…
  • FAR 52.237-10 Identification of Uncompensated Overtime.
    …scribed in 37.115-3, insert the following provision: Identification of Uncompensated Overtime (MAR 2015) (a) Definitions. As used in this provision— Adjusted hourly rate (including uncompensated overtime) is the rate that results from mu…
  • FAR 52.246-6 Inspection—Time-and-Material and Labor-Hour.
    As prescribed in 46.306, insert the following clause: Inspection—Time-and-Material and Labor-Hour (MAY 2001) (a) Definitions. As used in this clause— Contractor's managerial personnel means any of the Contractor's directors, officers, ma…
  • DFARS 216.601 Time-and-materials contracts.
    (d) Limitations. (i)(A) Approval of determination and findings for time-and-materials or labor-hour contracts. (1) Base period plus any option periods is three years or less. (i) For contracts (including indefinite-delivery contracts) and…
  • FAR 52.222-4 Contract Work Hours and Safety Standards—Overtime Compensation.
    …bed in 22.305, insert the following clause: Contract Work Hours and Safety Standards—Overtime Compensation (MAY 2018) (a) Overtime requirements. No Contractor or subcontractor employing laborers or mechanics (see Federal Acquisition Regul…
  • FAR 52.243-3 Changes—Time-and-Materials or Labor-Hours.
    As prescribed in 43.205(c), insert the following clause: Changes—Time-and-Materials or Labor-Hours (SEP 2000) (a) The Contracting Officer may at any time, by written order, and without notice to the sureties, if any, make changes within t…
  • FAR 22.302 Liquidated damages and overtime pay.
    (a) When an overtime computation discloses underpayments, the responsible contractor or subcontractor must pay the affected employee any unpaid wages and pay liquidated damages to the Government. The contracting officer must assess liquidat…
  • FAR 22.406-2 Wages, fringe benefits, and overtime.
    …e comments and recommendations of the contracting officer. (c) In computing required overtime payments, (i.e., 1 1/2 times the basic hourly rate of pay) the contractor shall use the basic hourly rate of pay in the wage determination, or th…
  • FAR 52.211-13 Time Extensions.
    As prescribed in 11.503(c), insert the following clause: Time Extensions (SEP 2000) Time extensions for contract changes will depend upon the extent, if any, by which the changes cause delay in the completion of the various elements of co…
  • FAR 46.306 Time-and-material and labor-hour contracts.
    The contracting officer shall insert the clause at 52.246-6, Inspection—Time-and-Material and Labor-Hour, in solicitations and contracts when a time-and-material contract or a labor-hour contract is contemplated. If Government inspection an…
  • FAR 52.216-29 Time-and-Materials/Labor-Hour Proposal Requirements—Other Than Commercial Acquisition With Adequate Price Competition.
    As prescribed in 16.601(f)(1), insert the following provision: Time-and-Materials/Labor-Hour Proposal Requirements—Other Than Commercial Acquisition With Adequate Price Competition (NOV 2021) (a) The Government contemplates award of a Tim…
  • FAR 52.216-30 Time-and-Materials/Labor-Hour Proposal Requirements—Other Than Commercial Acquisition Without Adequate Price Competition.
    As prescribed in 16.601(f)(2), insert the following provision: Time-and-Materials/Labor-Hour Proposal Requirements—Other Than Commercial Acquisition Without Adequate Price Competition (NOV 2021) (a) The Government contemplates award of a …
  • FAR 52.216-31 Time-and-Materials/Labor-Hour Proposal Requirements—Commercial Acquisition.
    As prescribed in 16.601(f)(3), insert the following provision: Time-and-Materials/Labor-Hour Proposal Requirements—Commercial Acquisition (NOV 2021) (a) The Government contemplates award of a Time-and-Materials or Labor-Hour type of contr…
  • FAR 52.217-4 Evaluation of Option Exercised at Time of Contract Award.
    … a provision substantially the same as the following: Evaluation of Options Exercised at Time of Contract Award (JUN 1988) Except when it is determined in accordance with FAR 17.206(b) not to be in the Government's best interests, the Gov…
  • FAR 18.118 Overtime approvals.
    Overtime approvals may be retroactive if justified by emergency circumstances. (See 22.103-4(i).)
  • DFARS 205.203 Publicizing and response time.
    (b) Allow at least 45 days response time when requested by a qualifying or designated country source (as these terms are used in part 225) and the request is consistent with the Government's requirement. (S-70) When using competitive proce…
  • DFARS 252.216-7002 Alternate A, Time-and-Materials/Labor-Hour Proposal Requirements—Other Than Commercial Acquisition with Adequate Price Competition.
    …ollowing paragraph (c) for paragraph (c) of the provision at FAR 52.216-29: Alternate A, Time-and-Materials/Labor-Hour Proposal Requirements—Other Than Commercial Acquisition With Adequate Price Competition (JAN 2023) (c) The offeror must…
  • FAR 22.103 Overtime.
  • FAR 37.115 Uncompensated overtime.
  • DFARS 222.103 Overtime.
  • DFARS 222.302 Liquidated damages and overtime pay.
    Upon receipt of notification of Contract Work Hours and Safety Standards violations, the contracting officer shall— (1) Immediately withhold such funds as are available; (2) Give the contractor written notification of the withholding and …
  • FAR 2.101 Definitions.
    …ordinated and integrated through a comprehensive plan for fulfilling the agency need in a timely manner and at a reasonable cost. It includes developing the overall strategy for managing the acquisition. Activity Address Code (AAC) means a…
  • FAR 8.404 Use of Federal Supply Schedules.
    …services. (1) The ordering activity shall specify the order type (i.e., firm-fixed price, time-and-materials, or labor-hour) for the services offered on the schedule priced at hourly rates. (2) Agencies shall use fixed-price orders for the…
  • FAR 8.405-3 Blanket purchase agreements (BPAs).
    … requirements (e.g., estimated quantities, work to be performed), delivery locations, and time. (5) When establishing multiple-award BPAs, the ordering activity shall specify the procedures for placing orders under the BPAs in accordance w…
  • FAR 8.602 Policy.
    … the private sector that best meet the Government's needs in terms of price, quality, and time of delivery. This is a unilateral determination made at the discretion of the contracting officer. The arbitration provisions of 18 U.S.C. 4124(b…
  • FAR 11.402 Factors to consider in establishing schedules.
    …(1) Urgency of need; (2) Industry practices; (3) Market conditions; (4) Transportation time; (5) Production time; (6) Capabilities of small business concerns; (7) Administrative time for obtaining and evaluating offers and for awardin…
  • FAR 11.404 Contract clauses.
    (a) Supplies or services. (1) The contracting officer may use a time of delivery clause to set forth a required delivery schedule and to allow an offeror to propose an alternative delivery schedule. The clauses and their alternates may be u…
  • FAR 12.207 Contract type.
    …e adjustment for the acquisition of commercial products or commercial services. (b)(1) A time-and-materials contract or labor-hour contract (see Subpart 16.6) may be used for the acquisition of commercial services when— (i) The service is…
  • FAR 14.303 Modification or withdrawal of bids.
    … notice is received in the office designated in the solicitation not later than the exact time set for opening of bids. If the solicitation authorizes facsimile bids, bids may be modified or withdrawn via facsimile received at any time befo…
  • FAR 14.304 Submission, modification, and withdrawal of bids.
    …s, so as to reach the Government office designated in the invitation for bid (IFB) by the time specified in the IFB. They may use any transmission method authorized by the IFB (i.e., regular mail, electronic commerce, or facsimile). If no t…
  • FAR 14.402-3 Postponement of openings.
    (a) A bid opening may be postponed even after the time scheduled for bid opening (but otherwise in accordance with 14.208) and— (1) The contracting officer has reason to believe that the bids of an important segment of bidders have been de…
  • FAR 14.503-1 Step one.
    …(3) Remove any reference to price or cost. (d) The contracting officer shall establish a time period for evaluating technical proposals. The period may vary with the complexity and number of proposals involved. However, the evaluation shou…
  • FAR 15.207 Handling proposals and information.
    …received in response to a request for information (RFI) shall be marked with the date and time of receipt and shall be transmitted to the designated officials. (b) Proposals shall be safeguarded from unauthorized disclosure throughout the …

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.