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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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59 sections with “supporting documentation”: the first 40

  • FAR 16.505 Ordering.
    …rder in excess of $40,000, the contracting officer shall— (1) Post the justification and supporting documentation on the agency Web site used (if any) to solicit offers for orders under the contract; or (2) Provide the justification and s…
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …licable; and (D) Contractor point of contact. (ii) Provide a copy of the remittance and supporting documentation to the Contracting Officer. (6) Interest. (i) All amounts that become payable by the Contractor to the Government under this…
  • FAR 52.232-7 Payments under Time-and-Materials and Labor-Hour Contracts.
    …a revised estimate of the total price to the Government for performing this contract with supporting reasons and documentation. If at any time during performing this contract, the Contractor has reason to believe that the total price to the…
  • DFARS 227.7103-13 Government right to review, verify, challenge, and validate asserted restrictions.
    …uest the person asserting a restriction to furnish a written explanation of the facts and supporting documentation for the assertion in sufficient detail to enable the contracting officer to ascertain the basis of the restrictive markings. …
  • FAR 2.101 Definitions.
    …activities. Also included are acquisitions of models, methodologies, and related software supporting studies, analyses or evaluations. (3) Engineering and technical services, i.e., contractual services used to support the program office du…
  • FAR 4.803 Contents of contract files.
    … (i) The signed contract or award; (ii) All contract modifications; and (iii) Documents supporting modifications executed by the contracting office. (27) Synopsis of award or reference thereto. (28) Notice to unsuccessful quoters or off…
  • FAR 13.106-3 Award and documentation.
    …tion and retention. Keep documentation to a minimum. Purchasing offices shall retain data supporting purchases (paper or electronic) to the minimum extent and duration necessary for management review purposes (see subpart 4.8). The followin…
  • DFARS 227.7203-13 Government right to review, verify, challenge, and validate asserted restrictions.
    …uest the person asserting a restriction to furnish a written explanation of the facts and supporting documentation for the assertion in sufficient detail to enable the contracting officer to determine the validity of the assertion. Addition…
  • FAR 9.105-2 Determinations and documentation.
    … award the contract to the concern. (b) Support documentation. (1) Documents and reports supporting a determination of responsibility or nonresponsibility, including any preaward survey reports, the use of FAPIIS information (see 9.104-6),…
  • FAR 25.103 Exceptions.
    …gn components of the same class or kind as domestic components; and (C) Submit a copy of supporting documentation to the appropriate council identified in 1.201-1, in accordance with agency procedures, for possible removal of the article f…
  • FAR 52.245-1 Government Property.
    …in the event the Contractor was or will be reimbursed or compensated. (10) Copies of all supporting documentation. (11) Last known location. (12) A statement that the property did or did not contain sensitive, export controlled, hazardou…
  • DFARS 206.202 Establishing or maintaining alternative sources.
    …e from a contract action. (b) The determination and findings (D&F) and the documentation supporting the D&F shall identify the source to be excluded from the contract action. Include the information at PGI 206.202(b), as applicable, and an…
  • DFARS 225.7018-4 Nonavailability determination.
    …ed in 225.7018-3(d) on an individual basis (i.e., applies to only one contract). (2) The supporting documentation for the determination shall include an analysis and written certification by the requiring activity that describes, with spec…
  • DFARS 242.302 Contract administration functions.
    …b)(20)(C)(9) for contracts incorporating the clause at 252.225-7040, Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States. See PGI 242.302(a)(S-72) for guidance on assessing contractor's implementation of SPO…
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …aphs (b)(1)(i) and (ii) of this provision. The Contracting Officer may require additional supporting information, but only to the extent necessary to determine whether an exception should be granted and whether the price is fair and reasona…
  • DFARS 252.227-7019 Validation of Asserted Restrictions—Computer Software.
    …dditional time to prepare a response. (3) The Contracting Officer may request additional supporting documentation if, in the Contracting Officer's opinion, the Contractor's explanation does not provide sufficient evidence to justify the va…
  • DFARS 252.232-7010 Levies on Contract Payments.
    …levy may result in an inability to perform the contract, including rationale and adequate supporting documentation; and (3) Advice as to whether the inability to perform may adversely affect national security, including rationale and adequ…
  • FAR 1.704 Content.
    …ular circumstances, facts, or reasoning essential to support the determination. Necessary supporting documentation shall be obtained from appropriate requirements and technical personnel. (e) A determination, based on the findings, that th…
  • FAR 4.705-3 Acquisition and supply records.
    …les for supplies, equipment, material, or services used in the performance of a contract; supporting documentation and backup files including, but not limited to, invoices, and memoranda; e.g., memoranda of negotiations showing the principa…
  • FAR 7.105 Contents of written acquisition plans.
    …ts. (3) Cost. Set forth the established cost goals for the acquisition and the rationale supporting them, and discuss related cost concepts to be employed, including, as appropriate, the following items: (i) Life-cycle cost. Discuss how l…
  • FAR 8.405-6 Limiting sources.
    …uired to meet the agency's needs (including the estimated value). (iv) The authority and supporting rationale (see 8.405-6(a)(1)(i) and (b)(1)) and, if applicable, a demonstration of the proposed contractor's unique qualifications to provi…
  • FAR 19.602-3 Resolving differences between the agency and the Small Business Administration.
    …both agencies) that it intends to appeal the issuance of the COC. (4) The appeal and any supporting documentation shall be filed by the procuring agency's Director, OSDBU, or other designated official, within 10 business days (or a period …
  • FAR 19.705-5 Awards involving subcontracting plans.
    …see 19.402(a)) of the opportunity to review the proposed contract (including the plan and supporting documentation). The notice shall be issued in sufficient time to provide the representative a reasonable time to review the material and su…
  • FAR 31.201-2 Determining allowability.
    …responsible for accounting for costs appropriately and for maintaining records, including supporting documentation, adequate to demonstrate that costs claimed have been incurred, are allocable to the contract, and comply with applicable cos…
  • FAR 42.705-1 Contracting officer determination procedure.
    …ncy official) and to the cognizant auditor. (i) The required content of the proposal and supporting data will vary depending on such factors as business type, size, and accounting system capabilities. The contractor, contracting officer, a…
  • FAR 42.709-3 Responsibilities.
    … be unallowable and subject to the penalties in 42.709-2(a); (2) Providing rationale and supporting documentation for any recommendation; and (3) Referring the matter to the appropriate criminal investigative organization for review and f…
  • FAR 42.1203 Processing agreements.
    …posed transfer within 30 days after notification. Any submission should be accompanied by supporting documentation. (c) Upon receipt of the necessary information, the responsible contracting officer shall determine whether or not it is in …
  • FAR 47.103-1 General.
    …d original copies of paid freight bills/invoices, bills of lading, passenger coupons, and supporting documents as soon as possible following the end of the month, in one package for postpayment audit to the General Services Administration, …
  • FAR 52.232-16 Progress Payments.
    …dance with the form instructions and the contract terms; and (ii) Include any additional supporting documentation requested by the Contracting Officer. (h) Special terms regarding default. If this contract is terminated under the Default …
  • FAR 52.232-25 Prompt payment.
    …licable; and (iv) Contractor point of contact. (2) Provide a copy of the remittance and supporting documentation to the Contracting Officer. (End of clause) Alternate I (FEB 2002). As prescribed in 32.908(c)(3), add the following paragr…
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …licable; and (iv) Contractor point of contact. (2) Provide a copy of the remittance and supporting documentation to the Contracting Officer. (End of clause)
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …licable; and (iv) Contractor point of contact. (2) Provide a copy of the remittance and supporting documentation to the Contracting Officer. (End of clause)
  • DFARS 203.170 Business practices.
    …isition system source selection shall be conducted prior to contract award, including the supporting documentation of the source selection evaluation board, source selection advisory council, and source selection authority. (f) Procurement…
  • DFARS 206.302-5 Authorized or required by statute.
    …tice of intent to award. Contracting activities must submit a draft notice of intent with supporting documentation through channels to the Principal Director, Defense Pricing, Contracting, and Acquisition Policy, Office of the Under Secreta…
  • DFARS 225.7002-2 Exceptions.
    …e Secretary of the Air Force. (v) The Director of the Defense Logistics Agency. (2) The supporting documentation for the determination shall include an analysis and written certification by the requiring activity, with specificity, why al…
  • DFARS 225.7003-3 Exceptions.
    …, to make a domestic nonavailability determination that applies to only one contract. The supporting documentation for the determination shall include an analysis and written documentation by the requiring activity, with specificity, why al…
  • DFARS 232.901 Applicability.
    …nd (iii) Payments will be made in the operational area or made contingent upon receiving supporting documentation (i.e., contract, invoice, and receiving report) from the operational area. (2) Criteria limiting normal business operations …
  • DFARS 232.7003 Procedures.
    …Scanned documents and other commonly used file formats are only acceptable for processing supporting documentation. (b) If one of the exceptions to submission in electronic form at 232.7002(a) applies, the contracting officer shall— (1) C…
  • DFARS 252.217-7012 Liability and insurance.
    …request for reimbursement of the cost of the replacement or repair together with whatever supporting documentation the Contracting Officer may reasonably require, and shall identify the request as being submitted under the Insurance clause …
  • DFARS 252.227-7037 Validation of Asserted Restrictions on Technical Data.
    …Government under the contract or subcontract (e.g., a statement of facts accompanied with supporting documentation). The Contractor or subcontractor shall submit such written data as requested by the Contracting Officer within the time requ…

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.