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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 “design specification requirements”: the first 40

  • FAR 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.
    …tially as follows: Warranty of Systems and Equipment Under Performance Specifications or Design Criteria (MAY 2001) (a) Definitions. As used in this clause— Acceptance means the act of an authorized representative of the Government by wh…
  • FAR 52.250-3 SAFETY Act Block Designation/Certification.
    As prescribed in 50.206(b)(1), insert the following provision: Safety Act Block Designation/Certification (FEB 2009) (a) Definitions. As used in this provision— Act of terrorism means any act determined to have met the following requirem…
  • FAR 52.250-4 SAFETY Act Pre-qualification Designation Notice.
    …prescribed in 50.206(c)(1), insert the following provision: Safety Act Pre-Qualification Designation Notice (FEB 2009) (a) Definitions. As used in this provision— Act of terrorism means any act determined to have met the following requir…
  • FAR 47.303-16 F.o.b. designated air carrier's terminal, point of importation.
    (a) Explanation of delivery term. F.o.b. designated air carrier's terminal, point of importation means free of expense to the Government delivered to the air carrier's terminal at the point of importation specified in the contract. (b) Con…
  • FAR 52.223-9 Estimate of Percentage of Recovered Material Content for EPA-Designated Items.
    …nsert the following clause: Estimate of Percentage of Recovered Material Content for EPA-Designated Items (MAY 2008) (a) Definitions. As used in this clause— Postconsumer material means a material or finished product that has served its …
  • FAR 52.247-44 F.o.b. Designated Air Carrier's Terminal, Point of Importation.
    …sert the following clause in solicitations and contracts when the delivery term is f.o.b. designated air carrier's terminal, point of importation: F.o.b. Designated Air Carrier's Terminal, Point of Importation (APR 1984) (a) The term f.o.…
  • FAR 47.303-15 F.o.b. designated air carrier's terminal, point of exportation.
    (a) Explanation of delivery term. F.o.b. designated air carrier's terminal, point of exportation means free of expense to the Government loaded aboard the aircraft, or delivered to the custody of the air carrier (if only the air carrier per…
  • FAR 52.247-43 F.o.b. Designated Air Carrier's Terminal, Point of Exportation.
    …sert the following clause in solicitations and contracts when the delivery term is f.o.b. designated air carrier's terminal, point of exportation: F.o.b. Designated Air Carrier's Terminal, Point of Exportation (FEB 2006) (a) The term f.o.…
  • FAR 2.101 Definitions.
    …ng nature performed by contract that are associated with research, planning, development, design, construction, alteration, or repair of real property; and (3) Those other professional services of an architectural or engineering nature, or…
  • FAR 3.104-1 Definitions.
    As used in this section— Agency ethics official means the designated agency ethics official described in 5 CFR 2638.201 or other designated person, including— (1) Deputy ethics officials described in 5 CFR 2638.204, to whom authority unde…
  • FAR 7.105 Contents of written acquisition plans.
    …. If appropriate, discuss the cost model used to develop life-cycle-cost estimates. (ii) Design-to-cost. Describe the design-to-cost objective(s) and underlying assumptions, including the rationale for quantity, learning-curve, and economi…
  • FAR 16.505 Ordering.
    …er aspects of the contracting environment; (B) Not use any method (such as allocation or designation of any preferred awardee) that would not result in fair consideration being given to all awardees prior to placing each order; (C) Tailor…
  • FAR 23.107-1 Products containing recovered materials.
    …rt 247. (b) EPA Comprehensive Procurement Guidelines (CPG) Program. Under RCRA, EPA must designate items that are or can be made with recovered materials and must also recommend practices to assist procuring agencies in meeting their oblig…
  • FAR 23.107-2 Biobased products.
    …lity. (1) This section applies to contract actions involving a biobased product in a USDA-designated product category if— (i) The price of the biobased product exceeds $10,000; or (ii) The aggregate amount paid for multiple purchases of t…
  • FAR 42.302 Contract administration functions.
    …(a)(11), and (a)(12) of this section, unless the cognizant Federal agency (see 2.101) has designated the contracting officer to perform these functions. (1) Review the contractor's compensation structure. (2) Review the contractor's insur…
  • FAR 46.101 Definitions.
    …r, or a source with the express written authority of the original manufacturer or current design activity, including an authorized aftermarket manufacturer. Unlawful or unauthorized substitution includes used items represented as new, or th…
  • FAR 50.201 Definitions.
    …e United States. (3) Uses or attempts to use instrumentalities, weapons or other methods designed or intended to cause mass destruction, injury or other loss to citizens or institutions of the United States. Block certification means SAFE…
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …s, and any modifications, revisions, or withdrawals, so as to reach the Government office designated in the solicitation by the time specified in the solicitation. If no time is specified in the solicitation, the time for receipt is 4:30 p.…
  • FAR 52.219-9 Small Business Subcontracting Plan.
    …r between the prime Contractor and the ANC or Indian tribe, the ANC or Indian tribe shall designate the appropriate Contractor(s) to count the subcontract towards its small business and small disadvantaged business subcontracting goals. (A…
  • FAR 52.236-21 Specifications and Drawings for Construction.
    …herever in the specifications or upon the drawings the words directed, required, ordered, designated, prescribed, or words of like import are used, it shall be understood that the direction, requirement, order, designation, or prescription,…
  • FAR 52.250-5 SAFETY Act—Equitable Adjustment.
    …e United States. (3) Uses or attempts to use instrumentalities, weapons or other methods designed or intended to cause mass destruction, injury or other loss to citizens or institutions of the United States. Block certification means SAFE…
  • DFARS 206.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
    …ng for full and open competition, unless— (1) The head of the contracting activity, or a designee no lower than chief of the contracting office, determines that— (i) Following thorough technical evaluation, only one source is fully qualif…
  • DFARS 252.211-7003 Item Unique Identification and Valuation.
    …d at http://www.aimglobal.org/?Reg_Authority15459. Issuing agency code means a code that designates the registration (or controlling) authority for the enterprise identifier. Item means a single hardware article or a single unit formed by…
  • DFARS 252.246-7007 Contractor Counterfeit Electronic Part Detection and Avoidance System.
    …ty of, the original component manufacturer based on the original component manufacturer's designs, formulas, and/or specifications. Authorized supplier means a supplier, distributor, or an aftermarket manufacturer with a contractual arrang…
  • DFARS 252.246-7008 Sources of Electronic Parts.
    …ty of, the original component manufacturer based on the original component manufacturer's designs, formulas, and/or specifications. Authorized supplier means a supplier, distributor, or an aftermarket manufacturer with a contractual arrang…
  • FAR 7.103 Agency-head responsibilities.
    The agency head or a designee shall prescribe procedures for the following: (a) Promoting and providing for full and open competition (see part 6) or, when full and open competition is not required in accordance with part 6, for obtaining …
  • FAR 9.207 Changes in status regarding qualification requirements.
    …7) A revised specification imposes a new qualification requirement; (8) Manufacturing or design changes have been incorporated in the qualification requirement; (9) The source is listed in the System for Award Management Exclusions (see S…
  • FAR 11.002 Policy.
    … and 41 U.S.C. 3307, agencies shall— (1) Specify needs using market research in a manner designed to— (i) Promote full and open competition (see part 6), or maximum practicable competition when using simplified acquisition procedures, wit…
  • FAR 11.101 Order of precedence for requirements documents.
    …law. (2) Performance-oriented documents (e.g., a PWS or SOO). (See 2.101.) (3) Detailed design-oriented documents. (4) Standards, specifications and related publications issued by the Government outside the Defense or Federal series for …
  • FAR 33.104 Protests to GAO.
    …tester is required to furnish a copy of its complete protest to the official and location designated in the solicitation or, in the absence of such a designation, to the contracting officer, so it is received no later than 1 day after the p…
  • FAR 36.601-3 Applicable contracting procedures.
    (a)(1) For facility design contracts, the statement of work shall require that the architect-engineer specify, in the construction design specifications, use of the maximum practicable amount of recovered materials consistent with the perfo…
  • FAR 46.706 Warranty terms and conditions.
    …blies, preservation, packaging, and packing, etc.). (ii) If the Government specifies the design of the end item and its measurements, tolerances, materials, tests, or inspection requirements, the contractor's obligations for correction of …
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …n original invoice and three copies (or electronic invoice, if authorized) to the address designated in the contract to receive invoices. An invoice must include— (i) Name and address of the Contractor; (ii) Invoice date and number; (iii…
  • FAR 52.216-7 Allowable Cost and Payment.
    …terim payments if this contract contains Alternate I to the clause at 52.232-25. (3) The designated payment office will make interim payments for contract financing on the __ [Contracting Officer insert day as prescribed by agency head; if…
  • DFARS 216.402-2 Performance incentives.
    …) Provisions for the payment of incentive fees to the contractor, based on achievement of design specification requirements for reliability and maintainability of weapons systems under the contract; or (ii) The imposition of penalties to b…
  • FAR 16.504 Indefinite-quantity contracts.
    … officer must make multiple awards unless— (A) The contracting officer or other official designated by the head of the agency determines in writing, as part of acquisition planning, that multiple awards are not practicable. The contracting…
  • FAR 52.248-1 Value Engineering.
    …her incentives. Only those benefits of an accepted VECP not rewardable under performance, design-to-cost (production unit cost, operating and support costs, reliability and maintainability), or similar incentives shall be rewarded under thi…
  • FAR 8.705-3 Allocation process.
    …orized, the ordering office shall submit a written request for allocation (requesting the designation of the AbilityOneparticipating nonprofit agency to produce the supplies or perform the service) to the central nonprofit agency designated…
  • FAR 31.205-46 Travel costs.
    … of the higher amounts must be approved by an officer of the contractor's organization or designee to ensure that the authority is properly administered and controlled to prevent abuse. (iii) If it becomes necessary to exercise the authori…
  • FAR 35.006 Contracting methods and contract type.
    …ied in advance, a short-duration fixed-price contract may be useful for developing system design concepts, resolving potential problems, and reducing Government risks. Fixed-price contracting may also be used in minor projects when the obje…

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.