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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184 sections with “written agreement”: 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 35.017-1 Sponsoring agreements.… FFRDC, establish the FFRDC's mission, and ensure a periodic reevaluation of the FFRDC, a written agreement of sponsorship between the Government and the FFRDC shall be prepared when the FFRDC is established. The sponsoring agreement may ta…
- FAR 49.404 Surety-takeover agreements.…e contracting officer may (but not before the effective date of termination) enter into a written agreement with the surety. The contracting officer should consider using a tripartite agreement among the Government, the surety, and the defa…
- 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. (…
- 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 …
- DFARS 252.227-7040 Additional preaward requirements for Small Business Technology Transfer Program.…) Offers submitted in response to this solicitation shall include the following: (1) The written agreement between the Offeror and a research institution, which shall contain— (i) A specific allocation of ownership, rights, and responsibi…
- DFARS 252.227-7041 Additional postaward requirements for Small Business Technology Transfer Program.…Additional Preaward Requirements for Small Business Technology Transfer Program: (1) The written agreement between the Contractor and a research institution. (2) The Contractor's written representation that the Contractor is satisfied wit…
- FAR 6.302-4 International agreement.… between the United States and a foreign government or international organization, or the written directions of a foreign government reimbursing the agency for the cost of the acquisition of the supplies or services for such government. (b…
- FAR 32.411 Agreement for special account at a financial institution.…e application of funds withdrawn from the account. The financial institution shall act on written directions from the Contracting Officer, the administering office, or a duly authorized representative of either. The financial institution is…
- 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…
- DFARS 227.7104-3 STTR program requirements.…ss Technology Transfer Program, requires offerors to submit, as part of their proposal, a written agreement between the offeror and a research institution that allocates any rights in intellectual property and the offeror's written represen…
- DFARS 237.7204 Format and clauses for educational service agreements.…y a (insert type of request, such as, delivery order, official Government order, or other written communication). The (insert type of request, such as, delivery order, official Government order, or other written communication) will contain …
- FAR 8.405-3 Blanket purchase agreements (BPAs).…le contractors that can fulfill the requirements, the contracting officer shall prepare a written determination explaining that no additional contractors capable of fulfilling the requirements could be identified despite reasonable efforts …
- FAR 15.609 Limited use of data.…ed in whole or in part for any purpose other than evaluation of the proposal, without the written permission of the offeror. If a contract is awarded on the basis of this proposal, the terms of the contract shall control disclosure and use.…
- FAR 16.702 Basic agreements.(a) Description. A basic agreement is a written instrument of understanding, negotiated between an agency or contracting activity and a contractor, that (1) contains contract clauses applying to future contracts between the parties during i…
- FAR 17.502-1 General.(a) Written agreement on responsibility for management and administration—(1) Assisted acquisitions. (i) Prior to the issuance of a solicitation, the servicing agency and the requesting agency shall both sign a written interagency agreement…
- 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 22.1010 Notification to interested parties under collective bargaining agreements.…r shall give both the incumbent contractor and its employees' collective bargaining agent written notification of— (1) The forthcoming successor contract and the applicable acquisition dates (issuance of solicitation, opening of bids, comm…
- 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 41.202 Procedures.…efuses to execute a tendered contract as outlined in 41.201(b), the agency shall obtain a written definite and final refusal signed by a corporate officer or other responsible official of the supplier (or if unobtainable, document any unwri…
- 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 52.227-14 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 52.232-12 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…
- 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 252.227-7018 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…
- 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 252.239-7013 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…
- 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 9.403 Definitions.… part 180 and agency enacting regulations in 2 CFR subtitle B. Pre-notice letter means a written correspondence issued to a contractor in a suspension or debarment matter, which does not immediately result in an exclusion or ineligibility.…
- FAR 16.703 Basic ordering agreements.(a) Description. A basic ordering agreement is a written instrument of understanding, negotiated between an agency, contracting activity, or contracting office and a contractor, that contains (1) terms and clauses applying to future contrac…
- FAR 19.302 Protesting a small business representation or rerepresentation.…ontain specific grounds for the protest. (3) The protest shall include a referral letter written by the contracting officer with information pertaining to the solicitation. The referral letter must include the following information to allo…
- FAR 19.307 Protesting a firm's status as a service-disabled veteran-owned 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, except— (i) The VA or SBA may file an S…
- FAR 19.809-2 Limitations on subcontracting and nonmanufacturer rule.…ct in excess of the limitations on subcontracting where the SBA District Director makes a written determination that larger amounts of subcontracting are essential during certain stages of performance. (1) The 8(a) participant is required …
- FAR 22.504 General requirements for project labor agreements.…executive may grant an exception from the requirements at 22.503(b), providing a specific written explanation of why at least one of the following conditions exists with respect to the particular contract: (i) Requiring a project labor agr…
- FAR 22.1008-2 Successorship with incumbent contractor collective bargaining agreement.…given both the incumbent contractor and its employees' collective bargaining agent timely written notification of the applicable acquisition dates (see 22.1010). (d)(1) If 41 U.S.C. 6707(c) applies, the contracting officer shall obtain a c…
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.