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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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217 sections with “design work”: the first 40

  • FAR 9.505-2 Preparing specifications or work statements.
    … firms that have done the most advanced work in the field. These firms can be expected to design and develop around their own prior knowledge. Development contractors can frequently start production earlier and more knowledgeably than firms…
  • FAR 36.301 Use of two-phase design-build selection procedures.
    …formal or informal acquisition planning (see part 7), if considering the use of two-phase design-build selection procedures, the contracting officer shall conduct the evaluation in paragraph (b) of this section. (b) The two-phase design-bu…
  • FAR 50.205-2 Pre-qualification designation notice.
    … Act protection, the requiring activity is responsible for requesting a pre-qualification designation notice from DHS. Such a request for a pre-qualification designation notice should be made once the requiring activity has determined that …
  • FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.
    As prescribed in 25.301-4, insert the following clause: Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States (MAY 2020) (a) Definitions. As used in this clause— Ch…
  • DFARS 236.606-70 Statutory fee limitation.
    … limit the contract price (or fee) for architect-engineer services for the preparation of designs, plans, drawings, and specifications to 10 percent of the project's estimated construction cost. (b) The 10 percent limit also applies to con…
  • DFARS 252.227-7024 Notice and approval of restricted designs.
    As prescribed at 227.7107-3, use the following clause: Notice and Approval of Restricted Designs (APR 1984) In the performance of this contract, the Contractor shall, to the extent practicable, make maximum use of structures, machines, pr…
  • DFARS 215.404-71-3 Contract type risk and working capital adjustment.
    … It shall not exceed 4 percent of the contract costs in Block 20. (c) Values: Normal and designated ranges. (1) “No financing” means either that the contract does not provide progress payments or performance-based payments, or that the co…
  • 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 14.304 Submission, modification, and withdrawal of bids.
    …bmitting bids, and any modifications or withdrawals, 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…
  • FAR 15.208 Submission, modification, revision, and withdrawal of proposals.
    …ing proposals, and any revisions, and modifications, so as to reach the Government office designated in the solicitation by the time specified in the solicitation. Offerors may use any transmission method authorized by the solicitation (i.e…
  • 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 32.001 Definitions.
    …from these payments. Delivery payments are invoice payments for prompt payment purposes. Designated billing office means the office or person (governmental or nongovernmental) designated in the contract where the contractor first submits i…
  • FAR 32.904 Determining payment due dates.
    …nt 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) The 30th day a…
  • FAR 32.905 Payment documentation and process.
    …equired by the contract. (3) If the invoice does not comply with these requirements, the designated billing office must return it within 7 days after receipt (3 days on contracts for meat, meat food products, or fish; 5 days on contracts f…
  • FAR 32.906 Making payments.
    …ent methods is necessary. See 32.903(a)(5), but see 32.009-1(a). (b) Payment office. The designated payment office— (1) Will mail checks on the same day they are dated; (2) For payments made by EFT, will specify a date on or before the e…
  • FAR 35.005 Work statement.
    …r a task-completion approach, which often requires the development of a tangible end item designed to achieve specific performance characteristics. The wording of the work statement should also be consistent with the type and form of contra…
  • FAR 36.102 Definitions.
    … a contract for architect-engineer services, unless another meaning is clearly intended. Design means defining the construction requirement (including the functional relationships and technical systems to be used, such as architectural, en…
  • FAR 36.104 Policy.
    (a) Unless the traditional acquisition approach of design-bid-build established under 40 U.S.C. chapter 11, Selection of Architects and Engineers, or another acquisition procedure authorized by law is used, the contracting officer shall use…
  • FAR 36.602-1 Selection criteria.
    … and (6) Acceptability under other appropriate evaluation criteria. (b) When the use of design competition is approved by the agency head or a designee, agencies may evaluate firms on the basis of their conceptual design of the project. D…
  • 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 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 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …under the SDVOSB Program means an SDVOSB concern that— (1) Effective January 1, 2024, is designated in the System for Award Management (SAM) as certified by the Small Business Administration (SBA) in accordance with 13 CFR 128.300; or (2)…
  • FAR 52.214-7 Late submissions, modifications, and withdrawals of bids.
    …bmitting bids, and any modifications or withdrawals, so as to reach the Government office designated in the invitation for bids (IFB) by the time specified in the IFB. If no time is specified in the IFB, the time for receipt is 4:30 p.m., l…
  • FAR 52.214-23 Late submissions, modifications, revisions, and withdrawals of technical proposals under two-step sealed bidding.
    …nical proposals, and any modifications or revisions, so as to reach the Government office designated in the request for technical proposals by the time specified in the invitation for bids (IFB). If no time is specified in the IFB, the time…
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …tting proposals, and any modifications or revisions, 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 52.224-2 Privacy Act.
    …rescribed in 24.104, insert the following clause in solicitations and contracts, when the design, development, or operation of a system of records on individuals is required to accomplish an agency function: Privacy Act (APR 1984) (a) The…
  • FAR 52.225-11 Buy American—Construction Materials Under Trade Agreements.
    …d critical to U.S. supply chain resiliency. The list of critical items is at FAR 25.105. Designated country means any of the following countries: (1) A World Trade Organization Government Procurement Agreement (WTO GPA) country (Armenia, …
  • FAR 52.225-23 Required Use of American Iron, Steel, and Manufactured Goods—Buy American Statute—Construction Materials Under Trade Agreements.
    … individual parts or components of those systems are delivered to the construction site. Designated country means any of the following countries: (1) A World Trade Organization Government Procurement Agreement (WTO GPA) country (Armenia, …
  • FAR 52.225-26 Contractors Performing Private Security Functions Outside the United States.
    …finitions. As used in this clause— Area of combat operations means an area of operations designated as such by the Secretary of Defense when enhanced coordination of contractors performing private security functions working for Government …
  • FAR 52.232-12 Advance Payments.
    …Contractor, and approval by the administering office, ____ [Insert the name of the office designated under agency procedures], or (2) under a letter of credit. The amount of the invoice or voucher submitted plus all advance payments previou…
  • FAR 52.232-25 Prompt payment.
    …paragraphs (a)(2) and (c) of this clause, the due date for making invoice payments by the designated payment office is the later of the following two events: (A) The 30th day after the designated billing office receives a proper invoice fr…
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …ted by the Contractor, the later of the following two events: (A) The 30th day after the designated billing office receives a proper invoice from the Contractor (except as provided in paragraph (a)(1)(iii) of this clause). (B) The 30th da…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …ilestones in any project. (A) The due date for making such payments is 14 days after the designated billing office receives a proper payment request. If the designated billing office fails to annotate the payment request with the actual da…
  • FAR 52.232-32 Performance-Based Payments.
    …ontract and not subject to the interest penalty provisions of the Prompt Payment Act. The designated payment office will pay approved requests on the _____ [Contracting Officer insert day as prescribed by agency head; if not prescribed, ins…
  • FAR 52.232-34 Payment by Electronic Funds Transfer—Other than System for Award Management.
    …(j) of this clause). The Contractor shall provide this information directly to the office designated in this contract to receive that information (hereafter: “designated office”) by _________ [the Contracting Officer shall insert date, days…
  • FAR 52.236-25 Requirements for Registration of Designers.
    As prescribed in 36.609-4, insert the following clause: Requirements for Registration of Designers (JUN 2003) Architects or engineers registered to practice in the particular professional field involved in a State, the District of Columbi…
  • FAR 52.243-1 Changes—Fixed-Price.
    …in the general scope of this contract in any one or more of the following: (2) Drawings, designs, or specifications when the supplies to be furnished are to be specially manufactured for the Government in accordance with the drawings, desi…

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.