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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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72 sections with “written authorization”: the first 40

  • FAR 49.108-4 Authorization for subcontract settlements without approval or ratification.
    (a)(1) The TCO may, upon written request, give written authorization to the prime contractor to conclude settlements of subcontracts terminated in whole or in part without approval or ratification when the amount of settlement (see 49.002(d…
  • FAR 52.227-1 Authorization and Consent.
    …y results from compliance by the Contractor or a subcontractor with (i) specifications or written provisions forming a part of this contract or (ii) specific written instructions given by the Contracting Officer directing the manner of perf…
  • FAR 52.243-1 Changes—Fixed-Price.
    …cedures. Changes—Fixed-Price (AUG 1987) (a) The Contracting Officer may at any time, by written order, and without notice to the sureties, if any, make changes within the general scope of this contract in any one or more of the following:…
  • DFARS 252.227-7038 Patent Rights—Ownership by the Contractor (Large Business).
    … Before revoking or modifying the license, the agency— (A) Will furnish the Contractor a written notice of its intention to revoke or modify the license; and (B) Will allow the Contractor 30 days (or such other time as the funding agency …
  • FAR 52.227-13 Patent Rights—Ownership by the Government.
    …s legally obligated to do so at contract award. The license is transferable only with the written approval of the agency except when transferred to the successor of that part of the Contractor's business to which the subject invention perta…
  • FAR 2.101 Definitions.
    …ing the original contractual rights and obligations of the parties. Change order means a written order, signed by the contracting officer, directing the contractor to make a change that the Changes clause authorizes the contracting officer…
  • FAR 51.102 Authorization to use Government supply sources.
    …rdance with 51.101 (a) or (b), the contracting officer shall place in the contract file a written finding supporting issuance of the authorization. A written finding is not required when authorizing use of the Government supply sources in a…
  • FAR 52.227-14 Rights in Data—General.
    …ical or professional journals, symposia proceedings, or similar works. The prior, express written permission of the Contracting Officer is required to assert copyright in all other data first produced in the performance of this contract. (…
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …within 10 days after the date the invoice amount is paid; and (C) The Contractor makes a written demand to the designated payment office for additional penalty payment, in accordance with paragraph (a)(6)(ii) of this clause, postmarked not…
  • FAR 52.245-1 Government Property.
    …dates stated in the contract, the Contracting Officer shall, upon the Contractor's timely written request, consider an equitable adjustment to the contract. (ii) In the event property is received by the Contractor, or for Government-furnis…
  • FAR 5.502 Authority.
    …approval authority may be delegated (5 U.S.C. 302 (b)). Contracting officers shall obtain written authorization in accordance with agency procedures before advertising in newspapers. (b) Other media. Unless the agency head determines other…
  • FAR 32.410 Findings, determination, and authorization.
    (a) Each determination concerning advance payments shall be supported by written findings (see 32.402(c)(1)(iii)). (b) The following is an example of the format and text of findings, determination, and authorization with alternative words,…
  • FAR 51.202 Authorization.
    …other than performance of Government contracts (see 41 CFR 101-38.301-1); (5) Received a written statement that the contractor will assume, without the right of reimbursement from the Government, the cost or expense of any use of interagen…
  • FAR 52.209-3 First Article Approval—Contractor Testing.
    … time specified in paragraph (b) or (c) above, the Contracting Officer shall, upon timely written request from the Contractor, equitably adjust under the Changes clause of this contract the delivery or performance dates and/or the contract …
  • FAR 52.209-4 First Article Approval—Government Testing.
    … time specified in paragraph (b) or (c) above, the Contracting Officer shall, upon timely written request from the Contractor, equitably adjust under the Changes clause of this contract the delivery or performance dates and/or the contract …
  • DFARS 251.202 Authorization.
    …aph (d) of the clause at 252.251-7001 satisfies the requirement of FAR 51.202(a)(5) for a written statement.
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …e from military personnel, consistent with force protection measures; and (ii) Carry the written authorization with them at all times. (2) Contractor personnel may wear military-unique organizational clothing and individual equipment (OCI…
  • DFARS 252.237-7007 Termination for default.
    …of this contract. (b) The Contracting Officer may terminate this contract for default by written notice without the ten day notice required by paragraph (a)(2) of the Default clause if— (1) The Contractor, through circumstances reasonably…
  • FAR 8.705-2 Direct-order process.
    …ecific supplies or services directly to an AbilityOne participating nonprofit agency. The written authorization remains valid until it is revoked by the central nonprofit agency or the Committee. The central nonprofit agency shall specify t…
  • FAR 22.2109 Enforcement of Executive Order 13706 paid sick leave requirements.
    …a violation of this subpart has occurred. (2) The identity of any individual who makes a written or oral statement as a complaint or in the course of an investigation, as well as portions of the statement which would reveal the individual'…
  • FAR 44.201-1 Consent requirements.
    …cts under prime contracts for architect-engineer services. (d) The contracting officer's written authorization for the contractor to purchase from Government sources (see part 51) constitutes consent.
  • FAR 51.103 Ordering from Government supply sources.
    …upply Schedule contractor); and (2) The following statement: This order is placed under written authorization from ______________________ dated____________. In the event of any inconsistency between the terms and conditions of this order …
  • FAR 52.222-62 Paid Sick Leave Under Executive Order 13706.
    …13.8). (e) Withholding. The Contracting Officer will, upon his or her own action or upon written request of an authorized representative of the Department of Labor, withhold or cause to be withheld from the Contractor under this or any oth…
  • FAR 52.246-12 Inspection of Construction.
    …ed to change any term or condition of the specification without the Contracting Officer's written authorization. (e) The Contractor shall promptly furnish, at no increase in contract price, all facilities, labor, and material reasonably ne…
  • FAR 52.246-26 Reporting Nonconforming Items.
    …n authentic, unmodified item from the original manufacturer, or a source with the express written authority of the original manufacturer or current design activity, including an authorized aftermarket manufacturer. Unlawful or unauthorized …
  • DFARS 215.506 Postaward debriefing of offerors.
    … Notwithstanding FAR 15.506(b), when requested by a successful or unsuccessful offeror, a written or oral debriefing is required for contract awards valued at $15 million or more (section 818 of the National Defense Authorization Act for Fi…
  • DFARS 225.7902-2 Purpose.
    …nse articles, technical data, and defense services, without U.S. export licenses or other written authorization under the International Traffic in Arms Regulation (ITAR) into and within the Approved Community, as long as the exports are in …
  • DFARS 234.004 Acquisition strategy.
    … contract is selected, the contract file shall include the milestone decision authority's written determination that— (1) The program is so complex and technically challenging that it would not be practicable to reduce program risk to a le…
  • DFARS 252.232-7008 Assignment of claims (overseas).
    … contained herein may be disclosed, to such assignee upon the Contracting Officer's prior written authorization. (c) Any assignment under this contract shall cover all amounts payable under this contract and not already paid, and shall not…
  • FAR 28.203-3 Release of security interest.
    …any warranty period (applicable only to performance bonds), whichever is later. (b) Upon written request by the individual surety, the contracting officer may release the security interest on the individual surety's assets in support of a …
  • FAR 41.201 Policy.
    … simplified acquisition threshold, agencies shall acquire utility services by a bilateral written contract, which must include the clauses required by 41.501, regardless of whether rates or terms and conditions of service are fixed or adjus…
  • FAR 52.222-41 Service Contract Labor Standards.
    …r of the action taken. Each affected employee shall be furnished by the Contractor with a written copy of such determination or it shall be posted as a part of the wage determination. (iv)(A) The process of establishing wage and fringe ben…
  • FAR 52.232-25 Prompt payment.
    …within 10 days after the date the invoice amount is paid; and (C) The Contractor makes a written demand to the designated payment office for additional penalty payment, in accordance with paragraph (a)(7)(ii) of this clause, postmarked not…
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …within 10 days after the date the invoice amount is paid; and (C) The contractor makes a written demand to the designated payment office for additional penalty payment, in accordance with paragraph (a)(6)(ii) of this clause, postmarked not…
  • DFARS 252.239-7013 Term of Agreement and Continuation of Services.
    … shall continue in force from year to year, unless terminated by either party by 30 days' written notice. Termination of this basic agreement does not terminate or cancel any communication service authorizations issued under this basic agre…
  • DFARS 252.246-7008 Sources of Electronic Parts.
    …r means an organization that fabricates a part under a contract with, or with the express written authority of, the original component manufacturer based on the original component manufacturer's designs, formulas, and/or specifications. Au…
  • FAR 3.104-5 Disqualification.
    …who must disqualify himself or herself pursuant to 3.104-3(c)(1)(ii) must promptly submit written notice of disqualification from further participation in the procurement to the contracting officer, the source selection authority if other t…
  • FAR 4.601 Definitions.
    As used in this subpart— Contract action means any oral or written action that results in the purchase, rent, or lease of supplies or equipment, services, or construction using appropriated dollars over the micro-purchase threshold, or mod…
  • FAR 13.101 General.
    …art 19.6 with respect to Certificates of Competency before rejecting a quotation, oral or written, from a small business concern determined to be nonresponsible (see subpart 9.1); and (3) Provide for the inspection of supplies or services …
  • FAR 14.405 Minor informalities or irregularities in bids.
    …or authorized, before the date set for opening of bids, the execution of documents by typewritten, printed, or stamped signature and submits evidence of such authorization and the bid carries such a signature; (d) Acknowledge receipt of an…

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.