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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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85 sections with “contract execution”: the first 40

  • 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 16.603-4 Contract clauses.
    (a) The contracting officer shall include in each letter contract the clauses required by this regulation for the type of definitive contract contemplated and any additional clauses known to be appropriate for it. (b) In addition, the cont…
  • FAR 19.301-2 Rerepresentation by a contractor that represented its status as a small business concern.
    (a) Definition. As 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 p…
  • FAR 41.204 GSA areawide contracts.
    (a) Purpose. GSA enters into areawide contracts (see 41.101) for use by Federal agencies. Areawide contracts provide a pre-established contractual vehicle for ordering utility services under the conditions in paragraph (c)(1) of this sectio…
  • FAR 42.302 Contract administration functions.
    (a) The contracting officer normally delegates the following contract administration functions to a CAO. The contracting officer may retain any of these functions, except those in paragraphs (a)(5), (a)(9), (a)(11), and (a)(12) of this sect…
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    As prescribed in 12.301(b)(3), insert the following clause: Contract Terms and Conditions—Commercial Products and Commercial Services (NOV 2023) (a) Inspection/Acceptance. The Contractor shall only tender for acceptance those items that c…
  • FAR 52.214-28 Subcontractor Certified Cost or Pricing Data—Modifications—Sealed Bidding.
    As prescribed in 14.201-7(c)(1)(i), insert the following clause: Subcontractor Certified Cost or Pricing Data—Modifications—Sealed Bidding (JUN 2020) (a) The requirements of paragraphs (b) and (c) of this clause shall (1) Become operativ…
  • FAR 52.215-13 Subcontractor Certified Cost or Pricing Data—Modifications.
    As prescribed in 15.408(e)(1), insert the following clause: Subcontractor Certified Cost or Pricing Data—Modifications (JUN 2020) (a) The requirements of paragraphs (b) and (c) of this clause shall— (1) Become operative only for any modi…
  • FAR 52.216-23 Execution and Commencement of Work.
    As prescribed in 16.603-4(b)(1), insert the following clause in solicitations and contracts when a letter contract is contemplated, except that it may be omitted from letter contracts awarded on SF 26: Execution and Commencement of Work (A…
  • FAR 52.216-25 Contract Definitization.
    As prescribed in 16.603-4(b)(3), insert the following clause: Contract Definitization (OCT 2010) (a) A ____ [insert specific type of contract] definitive contract is contemplated. The Contractor agrees to begin promptly negotiating with t…
  • FAR 52.219-14 Limitations on Subcontracting.
    As prescribed in 19.507(e), insert the following clause: Limitations on Subcontracting (OCT 2022) (a) This clause does not apply to the unrestricted portion of a partial set-aside. (b) Definition. Similarly situated entity, as used in th…
  • FAR 52.232-7 Payments under Time-and-Materials and Labor-Hour Contracts.
    …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 Contracting Officer or the aut…
  • DFARS 204.804 Closeout of contract files.
    (1) Except as provided in paragraph (3) of this section, contracting officers shall close out contracts in accordance with the procedures at PGI 204.804. The closeout date for file purposes shall be determined and documented by the procurin…
  • DFARS 249.7000 Terminated contracts with Canadian Commercial Corporation.
    (a) Terminate contracts with the Canadian Commercial Corporation in accordance with— (1) The Letter of Agreement (LOA) between the Department of Defence Production (Canada) and the U.S. DoD, “Canadian Agreement” (for a copy of the LOA or f…
  • DFARS 252.217-7027 Contract Definitization.
    As prescribed in 217.7406(b), use the following clause: Contract Definitization (MAY 2023) (a) A___ [insert specific type of contract action] is contemplated. The Contractor agrees to begin promptly negotiating with the Contracting Office…
  • FAR 17.502-1 General.
    …nship between the parties, including roles and responsibilities for acquisition planning, contract execution, and administration and management of the contract(s) or order(s). The requesting agency shall provide to the servicing agency any …
  • FAR 19.800 General.
    …rogram that authorizes the Small Business Administration (SBA) to enter into all types of contracts with other agencies and award subcontracts for performing those contracts to firms eligible for program participation. This program is the “…
  • FAR 19.804-3 SBA acceptance.
    (a) Upon receipt of the contracting office's offering letter, SBA will determine whether to accept the requirement for the 8(a) program. SBA's decision whether to accept the requirement will be transmitted to the contracting office in writi…
  • FAR 19.814 Requesting a formal size determination (8(a) sole source requirements).
    (a) If the size status of an 8(a) participant nominated for award of an 8(a) sole source contract is called into question, a request for a formal size determination may be submitted to SBA pursuant to 13 CFR 121.1001(b)(2)(ii) by— (1) The …
  • DFARS 252.247-7002 Revision of prices.
    …or conditions of employment which— (1) Substantially affects the cost of performing this contract; (2) Is generally applicable to the port where work under this contract is performed; and (3) Applies to operations by the Contractor on no…
  • FAR 2.101 Definitions.
    … or term when used in that part, subpart, or section. Acquisition means the acquiring by contract with appropriated funds of supplies or services (including construction) by and for the use of the Federal Government through purchase or lea…
  • FAR 4.201 Procedures.
    Contracting officers shall distribute copies of contracts or modifications within 10 working days after execution by all parties. As a minimum, the contracting officer shall— (a) Distribute simultaneously one signed copy or reproduction of…
  • FAR 8.404 Use of Federal Supply Schedules.
    …9.202-1(e)(1)(iii))do not apply to BPAs or orders placed against Federal Supply Schedules contracts (but see 8.405-5). BPAs and orders placed against a MAS, using the procedures in this subpart, are considered to be issued using full and op…
  • FAR 9.505-1 Providing systems engineering and technical direction.
    (a) A contractor that provides systems engineering and technical direction for a system but does not have overall contractual responsibility for its development, its integration, assembly, and checkout, or its production shall not— (1) Be …
  • FAR 13.403 Preparation and execution of orders.
    Priced or unpriced contracts, purchase orders, or BPAs using the fast payment procedure shall include the following: (a) A requirement that the supplies be shipped transportation or postage prepaid. (b) A requirement that invoices be subm…
  • FAR 16.102 Policies.
    (a) Contracts resulting from sealed bidding shall be firm-fixed-price contracts or fixed-price contracts with economic price adjustment. (b) Contracts negotiated under part 15 may be of any type or combination of types that will promote th…
  • FAR 17.104 General.
    (a) Multiyear contracting is a special contracting method to acquire known requirements in quantities and total cost not over planned requirements for up to 5 years unless otherwise authorized by statute, even though the total funds ultimat…
  • FAR 19.707 The Small Business Administration's role in carrying out the program.
    (a) Under the program, the SBA may— (1) Assist both Government agencies and contractors in carrying out their responsibilities with regard to subcontracting plans; (2) Review (within 5 working days) any solicitation that meets the dollar …
  • FAR 22.404-6 Modifications of wage determinations.
    …he work in a solicitation is determined by the time of receipt of the modification by the contracting agency. Therefore, the contracting agency must annotate the modification of the project wage determination with the date and time immediat…
  • FAR 23.404 Environmental management systems.
    …litates implementation and progress toward E.O. 14057 goals. If an agency uses an EMS for contractor operation of Government-owned or -leased facilities or vehicles, and contractor activities affect the agency's environmental management asp…
  • FAR 28.202 Acceptability of corporate sureties.
    (a)(1) Corporate sureties offered for bonds furnished with contracts performed in the United States or its outlying areas must appear on the list contained in the Department of the Treasury's Listing of Approved Sureties (Treasury Departmen…
  • FAR 28.204 Alternatives in lieu of corporate or individual sureties.
    …e security in lieu of execution of the bond form by corporate or individual sureties. The contractor shall execute the bond forms as the principal. Agencies shall establish safeguards to protect against loss of the security and shall return…
  • FAR 32.006-4 Procedures.
    … case in which an agency's remedy coordination official finds substantial evidence that a contractor's request for advance, partial, or progress payments under a contract awarded by that agency is based on fraud, the remedy coordination off…
  • FAR 32.411 Agreement for special account at a financial institution.
    The contracting officer must use substantially the following form of agreement for a special account for advance payments: Agreement for Special Account This agreement is entered into this ____ day of ____________, 20____, between the Uni…
  • FAR 42.1203 Processing agreements.
    (a) If a contractor wishes the Government to recognize a successor in interest to its contracts or a name change, the contractor must submit a written request to the responsible contracting officer (see 42.1202). If the contractor received …
  • FAR 43.102 Policy.
    (a) Only contracting officers acting within the scope of their authority are empowered to execute contract modifications on behalf of the Government. Other Government personnel shall not— (1) Execute contract modifications; (2) Act in suc…
  • FAR 43.204 Administration.
    …hange order and a supplemental agreement reflecting the resulting equitable adjustment in contract terms. If an equitable adjustment in the contract price or delivery terms or both can be agreed upon in advance, only a supplemental agreemen…
  • FAR 49.112-2 Final payment.
    (a) Negotiated settlement. After execution of a settlement agreement, the contractor shall submit a voucher or invoice showing the amount agreed upon, less any portion previously paid. The TCO shall attach a copy of the settlement agreement…
  • FAR 50.103-4 Facts and evidence.
    (a) General. When it is appropriate, the contracting officer or other agency official shall request the contractor to support any request made under 50.103-3(a) with any of the following information: (1) A brief description of the contract…
  • FAR 52.214-27 Price Reduction for Defective Certified Cost or Pricing Data—Modifications—Sealed Bidding.
    …ding (JUN 2020) (a) This clause shall become operative only for any modification to this contract involving aggregate increases and/or decreases in costs, plus applicable profits, expected to exceed the threshold for the submission of cert…

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.