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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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65 sections with “Duration”: the first 40

  • FAR 52.241-3 Scope and Duration of Contract.
    …ibed in 41.501(c)(2), insert a clause substantially the same as the following: Scope and Duration of Contract (FEB 1995) (a) For the period __________, [insert period of service] the Contractor agrees to furnish and the Government agrees …
  • DFARS 237.7203 Duration.
    (a) Educational service agreements are for an indefinite duration and remain in effect until terminated. (b) The issuing activity must establish procedures to review each educational service agreement at least once each year. Review dates …
  • FAR 47.207-2 Duration of contract and time of performance.
    The contracting officer shall— (a) Establish 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)…
  • FAR 46.706 Warranty terms and conditions.
    …reach of warranty; (3) Specific remedies available to the Government; and (4) Scope and duration of the warranty. (b) The contracting officer shall consider the following guidelines when preparing warranty terms and conditions: (1) Exte…
  • FAR 8.404 Use of Federal Supply Schedules.
    … it is not possible at the time of placing the order to estimate accurately the extent or duration of the work or to anticipate costs with any reasonable degree of confidence. (ii) Prior to the issuance of a time-and-materials or labor-hou…
  • FAR 9.507-2 Contract clause.
    …aint, the solicitation shall contain a proposed clause that specifies both the nature and duration of the proposed restraint. The contracting officer shall include the clause in the contract, first negotiating the clause's final terms with …
  • FAR 19.301-2 Rerepresentation by a contractor that represented its status as a small business concern.
    … used in this subsection— Long-term contract means a contract of more than five years in duration, including options. However, the term does not include contracts that exceed five years in duration because the period of performance has bee…
  • FAR 26.504 Policy.
    …bstance while performing the contract. (c) For a contract of 30 days or more performance duration, the contractor shall comply with the provisions of paragraph (a) of this section within 30 days after contract award, unless the contracting…
  • FAR 52.219-28 Postaward Small Business Program Rerepresentation.
    …. As used in this clause— Long-term contract means a contract of more than five years in duration, including options. However, the term does not include contracts that exceed five years in duration because the period of performance has bee…
  • FAR 52.226-7 Drug-Free Workplace.
    …less a longer period is agreed to in writing for contracts of 30 days or more performance duration); or as soon as possible for contracts of less than 30 days performance duration— (1) Publish a statement notifying its employees that the u…
  • DFARS 252.246-7005 Notice of Warranty Tracking of Serialized Items.
    … provision: Notice of Warranty Tracking of Serialized Items (MAR 2016) (a) Definitions. Duration, enterprise, enterprise identifier, fixed expiration, item type, serialized item, starting event, unique item identifier, usage, warranty adm…
  • DFARS 252.246-7006 Warranty Tracking of Serialized Items.
    …rranty Tracking of Serialized Items (MAR 2016) (a) Definitions. As used in this clause— Duration means the warranty period. This period may be a stated period of time, amount of usage, or the occurrence of a specified event, after formal …
  • FAR 5.207 Preparation and transmittal of synopses.
    …antities. (7) Unit of issue. (8) Destination information. (9) Delivery schedule. (10) Duration of the contract period. (11) Sustainable acquisition requirements, such as a description of high-performance sustainable building practices …
  • FAR 7.105 Contents of written acquisition plans.
    … the particular facts and circumstances, (e.g., complexity of the requirements, uncertain duration of the work, contractor's technical capability and financial responsibility, or adequacy of the contractor's accounting system), and associat…
  • FAR 8.405-3 Blanket purchase agreements (BPAs).
    …nable through appropriate analysis techniques, and documenting the file accordingly. (d) Duration of BPAs. (1) Multiple-award BPAs generally should not exceed five years in length, but may do so to meet program requirements. (2) A single-…
  • FAR 9.204 Responsibilities for establishment of a qualification requirement.
    …tize the costs incurred by the agency within a reasonable period of time, considering the duration and dollar value of anticipated future requirements. A prospective contractor requesting the United States to bear testing and evaluation cos…
  • FAR 9.405-1 Continuation of current contracts.
    …ic ordering agreements; or (iii) Add new work, exercise options, or otherwise extend the duration of current contracts or orders. (b) Ineligible contractors. A covered agency, as defined in 9.110-1, shall terminate existing contracts and …
  • FAR 9.406-1 General.
    …dividual) has a pattern or prior history of wrongdoing, the frequency of incidents and/or duration of the wrongdoing, and the actual or potential harm or impact that results, or may result, from the wrongdoing. (12) Whether and to what ext…
  • FAR 9.505-2 Preparing specifications or work statements.
    …ontractor or as a subcontractor, for a reasonable period of time including, at least, the duration of the initial production contract. The restriction in this paragraph (a)(1) shall not apply to— (i) Contractors that furnish at Government …
  • FAR 12.207 Contract type.
    …ossible at the time of placing the contract or order to accurately estimate the extent or duration of the work or to anticipate costs with any reasonable degree of confidence; (iii) Establish that the requirement has been structured to max…
  • FAR 12.404 Warranties.
    …ry commercial practice. Solicitations may specify minimum warranty terms, such as minimum duration, appropriate for the Government's intended use of the item. (1) Any express warranty the Government intends to rely upon must meet the needs…
  • FAR 13.106-3 Award and documentation.
    …es shall retain data supporting purchases (paper or electronic) to the minimum extent and duration necessary for management review purposes (see subpart 4.8). The following illustrate the extent to which quotation or offer information shoul…
  • FAR 15.404-4 Profit.
    …ed and considering the reliability of the cost estimate in relation to the complexity and duration of the contract task. Determination of contract type should be closely related to the risks involved in timely, cost-effective, and efficient…
  • FAR 15.407-4 Should-cost review.
    …w; and (vii) Personnel with the required skills are available or can be assigned for the duration of the should-cost review. (3) The contracting officer should decide which elements of the contractor's operation have the greatest potentia…
  • FAR 15.605 Content of unsolicited proposals.
    …is valid (a 6-month minimum is suggested); (3) Type of contract preferred; (4) Proposed duration of effort; (5) Brief description of the organization, previous experience, relevant past performance, and facilities to be used; (6) Other …
  • FAR 16.103 Negotiating contract type.
    …l the particular facts and circumstances (e.g., complexity of the requirements, uncertain duration of the work, contractor's technical capability and financial responsibility, or adequacy of the contractor's accounting system), and associat…
  • FAR 16.504 Indefinite-quantity contracts.
    … be awarded: (1) The scope and complexity of the contract requirement. (2) The expected duration and frequency of task or delivery orders. (3) The mix of resources a contractor must have to perform expected task or delivery order require…
  • FAR 16.601 Time-and-materials contracts.
    … is not possible at the time of placing the contract to estimate accurately the extent or duration of the work or to anticipate costs with any reasonable degree of confidence. See 12.207(b) for the use of time-and-material contracts for cer…
  • FAR 17.204 Contracts.
    …t shall specify limits on the purchase of additional supplies or services, or the overall duration of the term of the contract, including any extension. (b) The contract shall state the period within which the option may be exercised. (c)…
  • FAR 17.207 Exercise of options.
    …on such factors as market stability and comparison of the time since award with the usual duration of contracts for such supplies or services. (e) The determination of other factors under paragraph (c)(3) of this section— (1) Should take …
  • FAR 17.208 Solicitation provisions and contract clauses.
    …he contract includes an extension of the option. (3) A specified limitation on the total duration of the contract.
  • FAR 22.504 General requirements for project labor agreements.
    …tion shall be based on one or more of the following factors: (A) The project is of short duration and lacks operational complexity. (B) The project will involve only one craft or trade. (C) The project will involve specialized constructi…
  • FAR 22.807 Exemptions.
    …rmined to be applicable, the contract shall continue to be subject to such clause for its duration regardless of the amounts ordered, or reasonably expected to be ordered, in any year. (7) Contracts with religious entities. Pursuant to E.O…
  • FAR 22.2105 Paid sick leave for Federal contractors and subcontractors.
    …rpose described in 29 CFR 13.5(c) and, to the extent reasonably feasible, the anticipated duration of the leave (see 29 CFR 13.5(d)). (e) Certification or documentation for leave of 3 or more consecutive full workdays. Contractors may requ…
  • FAR 26.203 Transition of work.
    …e earliest practical opportunity after consideration of the following: (1) The potential duration of the disaster or emergency. (2) The severity of the disaster or emergency. (3) The scope and structure of the existing contract, includin…
  • FAR 27.302 Policy.
    …orts to attract small business licensees will vary with the circumstances and the nature, duration, and expense of efforts needed to bring the invention to the market. (2) Small business concerns that believe a nonprofit organization is no…
  • FAR 31.105 Construction and architect-engineer contracts.
    …dance with subpart 31.2. (1) Because of widely varying factors such as the nature, size, duration, and location of the construction project, advance agreements as set forth in 31.109, for such items as home office overhead, partners' compe…
  • FAR 31.109 Advance agreements.
    …future contracts. An advance agreement shall contain a statement of its applicability and duration. (c) The contracting officer is not authorized by this 31.109 to agree to a treatment of costs inconsistent with this part. For example, an …
  • FAR 31.205-35 Relocation costs.
    …of employment is 12 months or more; (2) The employment agreement specifically limits the duration of employment to the time spent on the contract or field project for which the employee is hired; (3) The employment agreement provides for …
  • FAR 32.005 Consideration for contract financing.
    …consideration is adequate: (1) The value to the contractor of the anticipated amount and duration of the contract financing at the imputed financial costs of the equivalent working capital. (2) The estimated profit rate to be earned throu…

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.