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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256 sections with “written request”: the first 40
- 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 19.815 Release and notification requirements for non-8(a) procurement.…r than a mandatory source listed at 8.002 or 8.003), the contracting officer shall make a written request to, and receive concurrence from, the SBA Associate Administrator for Business Development. (c)(1) The written request to the SBA Ass…
- FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.…t. (c) Changes. Changes in the terms and conditions of this contract may be made only by written agreement of the parties. (d) Disputes. This contract is subject to 41 U.S.C. chapter 71, Contract Disputes. Failure of the parties to this c…
- FAR 52.227-11 Patent Rights—Ownership by the Contractor.…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 invention pertains. (…
- 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 52.245-1 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…
- DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.… data. (1) In lieu of submitting certified cost or pricing data, the Offeror may submit a written request for exception by submitting the information described in paragraphs (b)(1)(i) and (ii) of this provision. The Contracting Officer may …
- DFARS 252.227-7037 Validation of Asserted Restrictions on Technical Data.…the Contractor or subcontractor shall be prepared to furnish to the Contracting Officer a written justification for such asserted restrictions in response to a challenge under paragraph (e) of this clause. (d) Prechallenge request for info…
- 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 14.407-3 Other mistakes disclosed before award.…f the bidder alleges a mistake, the contracting officer shall advise the bidder to make a written request to withdraw or modify the bid. The request must be supported by statements (sworn statements, if possible) and shall include all perti…
- FAR 22.406-8 Investigations.…ws and their application to contracts. (2) Do not disclose contractor employees' oral or written statements taken during an investigation or the employee's identity to anyone other than an authorized Government official without that employ…
- FAR 22.1021 Requests for hearing.…). To obtain a hearing for the contracting agency, the contracting officer shall submit a written request through appropriate channels (ordinarily the agency labor advisor) to: Administrator, Wage and Hour Division, U.S. Department of Labor…
- 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 49.402-3 Procedure for default.…s predicated upon this type of failure, the contracting officer shall give the contractor written notice specifying the failure and providing a period of 10 days (or longer period as necessary) in which to cure the failure. When appropriate…
- FAR 52.216-2 Economic Price Adjustment—Standard Supplies.…act date, the corresponding contract unit price shall be increased, upon the Contractor's written request to the Contracting Officer, by the same percentage that the established price is increased, and the contract shall be modified accordi…
- FAR 52.216-3 Economic Price Adjustment—Semistandard Supplies.…nd packing beyond standard commercial practice) shall be increased, upon the Contractor's written request to the Contracting Officer, by the same percentage that the established price is increased, and the contract shall be modified accordi…
- FAR 14.407-4 Mistakes after award.…ting officer shall request the contractor to support the alleged mistake by submission of written statements and pertinent evidence, such as (i) the contractor's file copy of the bid, (ii) the contractor's original worksheets and other data…
- FAR 19.306 Protesting a firm's status as a HUBZone small business concern.…the fifth business day after receipt of notification using other communication means when written notification is not required. (2) Any protest received after the designated time limits is untimely, unless it is from the contracting office…
- FAR 19.308 Protesting a firm's status as an economically disadvantaged women-owned small business concern or women-owned small business concern eligible under the Women-Owned Small Business Program.…the fifth business day after receipt of notification using other communication means when written notification is not required. (2) Any protest received after the designated time limit is untimely, unless it is from the contracting officer…
- FAR 22.404-6 Modifications of wage determinations.…ublished on the Wage Determinations at SAM.gov, or by the date the agency receives actual written notice of the modification from the Department of Labor, whichever occurs first. (Note the distinction between receipt by the agency (modifica…
- 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 27.404-5 Unauthorized, omitted, or incorrect markings.… or ignore the markings. (2) Agencies shall not cancel or ignore markings without making written inquiry of the contractor and affording the contractor at least 60 days to provide a written justification substantiating the propriety of the…
- FAR 31.205-47 Costs related to legal and other proceedings.…ion of a Federal contract or subcontract; or (2) As a result of compliance with specific written direction of the cognizant contracting officer. (e) Costs incurred in connection with proceedings described in paragraph (b) of this subsecti…
- FAR 33.104 Protests to GAO.… a complete copy of the protest within 1 day. (2) Immediately after receipt of the GAO's written notice that a protest has been filed, the agency shall give notice of the protest to the contractor if the award has been made, or, if no awar…
- FAR 33.211 Contracting officer's decision.…contract administration officer or contracting office, as appropriate; and (4) Prepare a written decision that shall include— (i) A description of the claim or dispute; (ii) A reference to the pertinent contract terms; (iii) A statement…
- FAR 42.801 Notice of intent to disallow costs.…contracting officer responsible for administering the contract may issue the contractor a written notice of intent to disallow specified costs incurred or planned for incurrence. However, before issuing the notice, the contracting officer r…
- FAR 52.219-9 Small Business Subcontracting Plan.…he Contractor has reason to question the representations, it may accept a subcontractor's written representations of its size and socioeconomic status as a small business, small disadvantaged business, veteran-owned small business, service-…
- FAR 52.222-27 Affirmative Action Compliance Requirements for Construction.…blish and maintain a current list of sources for minority and female recruitment. Provide written notification to minority and female recruitment sources and community organizations when the Contractor or its unions have employment opportun…
- 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 52.232-12 Advance Payments.… require. (k) Default. (1) If any of the following events occurs, the Government may, by written notice to the Contractor, withhold further withdrawals from the special account and further payments on this contract: (i) Termination of thi…
- 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 52.233-1 Disputes.…contract shall be resolved under this clause. (c) Claim, as used in this clause, means a written demand or written assertion by one of the contracting parties seeking, as a matter of right, the payment of money in a sum certain, the adjust…
- FAR 52.246-17 Warranty of Supplies of a Noncomplex Nature.…ntract. (c) Remedies available to the Government. (1) The Contracting Officer shall give written notice to the Contractor of any breach of warranties in paragraph (b)(1) of this clause within ____ [Contracting Officer shall insert specific…
- DFARS 252.215-7016 Notification to Offerors—Postaward Debriefings.… 3014). (b) Postaward debriefing. (1) Upon timely request, the Government will provide a written or oral postaward debriefing to successful or unsuccessful offerors for contract awards valued at $15 million or more, while protecting the co…
- DFARS 252.216-7000 Economic Price Adjustment—Basic Steel, Aluminum, Brass, Bronze, or Copper Mill Products.…ng of bids (or the contract date if this is a negotiated contract), upon the Contractor's written request to the Contracting Officer, the corresponding contract unit price shall be increased by the same percentage that the established price…
- DFARS 252.227-7018 Rights in Other Than Commercial Technical Data and Computer Software—Small Business Innovation Research Program and Small Business Technology Transfer Program.…r (4) Computer software documentation required to be delivered under a contract has been written, in any medium, in sufficient detail to comply with requirements under that contract. Developed exclusively at private expense means developm…
- FAR 7.103 Agency-head responsibilities.…t and other high-risk contracts (e.g., other than firm-fixed-price contracts) requiring a written acquisition plan. A written plan shall be prepared for cost reimbursement and other high-risk contracts other than firm-fixed-price contracts,…
- FAR 15.102 Oral presentations.… presentations by offerors as requested by the Government may substitute for, or augment, written information. Use of oral presentations as a substitute for portions of a proposal can be effective in streamlining the source selection proces…
- FAR 15.203 Requests for proposals.… proposal support, and data requirements. (f) Oral RFPs are authorized when processing a written solicitation would delay the acquisition of supplies or services to the detriment of the Government and a notice is not required under 5.202 (…
- FAR 15.506 Postaward debriefing of offerors.(a)(1) An offeror, upon its written request received by the agency within 3 days after the date on which that offeror has received notification of contract award in accordance with 15.503(b), shall be debriefed and furnished the basis for t…
FAR (chapter 1)
- Part 1 Federal Acquisition Regulations System 58 sections
- Part 2 Definitions of Words and Terms 3 sections
- Part 3 Improper Business Practices and Personal Conflicts of Interest 98 sections
- Part 4 Administrative and Information Matters 116 sections
- Part 5 Publicizing Contract Actions 34 sections
- Part 6 Competition Requirements 34 sections
- Part 7 Acquisition Planning 34 sections
- Part 8 Required Sources of Supplies and Services 67 sections
- Part 9 Contractor Qualifications 106 sections
- Part 10 Market Research 4 sections
- Part 11 Describing Agency Needs 33 sections
- Part 12 Acquisition of Commercial Products and Commercial Services 38 sections
- Part 13 Simplified Acquisition Procedures 49 sections
- Part 14 Sealed Bidding 82 sections
- Part 15 Contracting by Negotiation 81 sections
- Part 16 Types of Contracts 74 sections
- Part 17 Special Contracting Methods 50 sections
- Part 18 Emergency Acquisitions 34 sections
- Part 19 Small Business Programs 126 sections
- Part 22 Application of Labor Laws to Government Acquisitions 205 sections
- Part 23 Environment, Sustainable Acquisition, and Material Safety 38 sections
- Part 24 Protection of Privacy and Freedom of Information 10 sections
- Part 25 Foreign Acquisition 81 sections
- Part 26 Other Socioeconomic Programs 36 sections
- Part 27 Patents, Data, and Copyrights 59 sections
- Part 28 Bonds and Insurance 61 sections
- Part 29 Taxes 23 sections
- Part 30 Cost Accounting Standards Administration 30 sections
- Part 31 Contract Cost Principles and Procedures 87 sections
- Part 32 Contract Financing 175 sections
- Part 33 Protests, Disputes, and Appeals 23 sections
- Part 34 Major System Acquisition 20 sections
- Part 35 Research and Development Contracting 25 sections
- Part 36 Construction and Architect-engineer Contracts 81 sections
- Part 37 Service Contracting 46 sections
- Part 38 Federal Supply Schedule Contracting 3 sections
- Part 39 Acquisition of Information Technology 14 sections
- Part 40 Information Security and Supply Chain Security 12 sections
- Part 41 Acquisition of Utility Services 17 sections
- Part 42 Contract Administration and Audit Services 84 sections
- Part 43 Contract Modifications 14 sections
- Part 44 Subcontracting Policies and Procedures 24 sections
- Part 45 Government Property 33 sections
- Part 46 Quality Assurance 60 sections
- Part 47 Transportation 106 sections
- Part 48 Value Engineering 13 sections
- Part 49 Termination of Contracts 108 sections
- Part 50 Extraordinary Contractual Actions and the Safety Act 34 sections
- Part 51 Use of Government Sources by Contractors 15 sections
- Part 52 Solicitation Provisions and Contract Clauses 680 sections
- Part 53 Forms 61 sections
DFARS (chapter 2, Defense)
- Part 201 Federal Acquisition Regulations System 24 sections
- Part 202 Definitions of Words and Terms 1 sections
- Part 203 Improper Business Practices and Personal Conflicts of Interest 28 sections
- Part 204 Administrative and Information Matters 76 sections
- Part 205 Publicizing Contract Actions 11 sections
- Part 206 Competition Requirements 20 sections
- Part 207 Acquisition Planning 22 sections
- Part 208 Required Sources of Supplies and Services 31 sections
- Part 209 Contractor Qualifications 55 sections
- Part 210 Market Research 2 sections
- Part 211 Describing Agency Needs 22 sections
- Part 212 Acquisition of Commercial Products and Commercial Services 24 sections
- Part 213 Simplified Acquisition Procedures 23 sections
- Part 214 Sealed Bidding 14 sections
- Part 215 Contracting by Negotiation 66 sections
- Part 216 Types of Contracts 36 sections
- Part 217 Special Contracting Methods 64 sections
- Part 218 Emergency Acquisitions 7 sections
- Part 219 Small Business Programs 47 sections
- Part 222 Application of Labor Laws to Government Acquisitions 56 sections
- Part 223 Environment, Sustainable Acquisition, and Material Safety 34 sections
- Part 224 Protection of Privacy and Freedom of Information 2 sections
- Part 225 Foreign Acquisition 251 sections
- Part 226 Other Socioeconomic Programs 14 sections
- Part 227 Patents, Data, and Copyrights 99 sections
- Part 228 Bonds and Insurance 17 sections
- Part 229 Taxes 9 sections
- Part 230 Cost Accounting Standards Administration 2 sections
- Part 231 Contract Cost Principles and Procedures 13 sections
- Part 232 Contract Financing 74 sections
- Part 233 Protests, Disputes, and Appeals 8 sections
- Part 234 Major System Acquisition 13 sections
- Part 235 Research and Development Contracting 16 sections
- Part 236 Construction and Architect-engineer Contracts 25 sections
- Part 237 Service Contracting 67 sections
- Part 239 Acquisition of Information Technology 38 sections
- Part 241 Acquisition of Utility Services 8 sections
- Part 242 Contract Administration and Audit Services 40 sections
- Part 243 Contract Modifications 18 sections
- Part 244 Subcontracting Policies and Procedures 13 sections
- Part 245 Government Property 23 sections
- Part 246 Quality Assurance 39 sections
- Part 247 Transportation 27 sections
- Part 249 Termination of Contracts 14 sections
- Part 250 Extraordinary Contractual Actions and the Safety Act 16 sections
- Part 251 Use of Government Sources by Contractors 5 sections
- Part 252 Solicitation Provisions and Contract Clauses 405 sections
- Part 253 Forms 10 sections
- Part 270 Defense Contracting Programs 7 sections
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.