48 CFR · Federal Acquisition Regulation and Defense supplement
FAR and DFARS navigator
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.
Ask the FAR
Try: · · ·
113 sections with “written notification”: the first 40
- 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…
- 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…
- FAR 17.108 Congressional notification.…on ceiling in excess of $20 million may not be awarded until the head of the agency gives written notification of the proposed contract and of the proposed cancellation ceiling for that contract to the committees on appropriations of the Ho…
- 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 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 52.232-27 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 15.503 Notifications to unsuccessful offerors.…(1) Within 3 days after the date of contract award, the contracting officer shall provide written notification to each offeror whose proposal was in the competitive range but was not selected for award (10 U.S.C. 3304 and 41 U.S.C. 3704) or…
- 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 22.404-8 Notification of improper wage determination before award.(a) The following written notifications by the Department of Labor shall be effective immediately without regard to 22.404-6 if received by the contracting officer prior to award: (1) A solicitation includes the wrong wage determination or…
- 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…
- DFARS 237.102-79 Private sector notification requirements in support of in-sourcing actions.In accordance with 10 U.S.C. 2463, contracting officers shall provide written notification to affected incumbent contractors of Government in-sourcing determinations. Notification shall be provided within 20 business days of the contracting…
- DFARS 252.246-7003 Notification of Potential Safety Issues.…nces and deficiencies described in paragraph (b) of this clause; and (2) Shall provide a written notification to the ACO and the PCO within 5 working days that includes— (i) A summary of the defect or nonconformance; (ii) A chronology of…
- 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 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 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 52.243-7 Notification of Changes.…R), as used in this clause, means any person the Contracting Officer has so designated by written notice (a copy of which shall be provided to the Contractor) which shall refer to this subparagraph and shall be issued to the designated repr…
- 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 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 242.7000 Contractor business system deficiencies.…42-7005. The notice of payment withholding shall be included in the contracting officer's written final determination for the contractor business system and shall inform the contractor that— (i) Payments shall be withheld from the contract…
- 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 252.235-7004 Protection of Human Subjects.…(JUL 2009) (a) Definitions. As used in this clause— (1) Assurance of compliance means a written assurance that an institution will comply with requirements of 32 CFR Part 219, as well as the terms of the assurance, which the Human Researc…
- DFARS 252.246-7001 Warranty of data.…1) Within a reasonable time after such notification, the Contracting Officer may— (i) By written notice, direct the Contractor to correct or replace at the Contractor's expense the nonconforming technical data promptly; or (ii) If the Con…
- FAR 4.604 Responsibilities.…d in FPDS within 30 days after contract award. (4) When the contracting officer receives written notification that a contractor has changed its size status in accordance with the clause at 52.219-28, Postaward Small Business Program Rerepr…
- 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 42.1601 General.…ng officer shall make every reasonable effort to respond in writing within 30 days to any written request to the contracting officer from a small business concern with respect to a contract administration matter. In the event the contractin…
- FAR 52.219-18 Notification of Competition Limited to Eligible 8(a) Participants.…cy] Contracting Officer in writing immediately upon entering an agreement (either oral or written) to transfer all or part of its stock. (End of clause) Alternate I (MAR 2023). If the competition is to be limited to 8(a) participants with…
- 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 52.246-19 Warranty of Systems and Equipment under Performance Specifications or Design Criteria.…n, if any, shall be undertaken. (4) The Contractor shall promptly comply with any timely written direction from the Contracting Officer to correct or partially correct a defect, at no increase in the contract price. (5) The Contractor sha…
- DFARS 222.302 Liquidated damages and overtime pay.…er shall— (1) Immediately withhold such funds as are available; (2) Give the contractor written notification of the withholding and a statement of the basis for the liquidated damages assessment. The written notification shall also inform…
- DFARS 252.204-7010 Requirement for Contractor To Notify DoD if the Contractor's Activities are Subject to Reporting Under the U.S.-International Atomic Energy Agency Additional Protocol.…Agency Additional Protocol (U.S.-IAEA AP), the Contractor shall— (1) Immediately provide written notification to the following DoD Program Manager: [Contracting Officer to insert Program Manager's name, mailing address, e-mail address, te…
- DFARS 252.216-7010 Postaward Debriefings for Task Orders and Delivery Orders.… 2025) (a) Postaward debriefing. (1) Upon timely request, the Government will provide a written or oral postaward debriefing for task orders or delivery orders valued at $15 million or more to the Contractor, regardless of whether the Con…
- DFARS 252.219-7010 Notification of Competition Limited to Eligible 8(a) Participants—Partnership Agreement…cy] Contracting Officer in writing immediately upon entering an agreement (either oral or written) to transfer all or part of its stock or other ownership interest to any other party. (End of clause)
- DFARS 252.239-7010 Cloud Computing Services.…nment data that is not physically located on DoD premises, unless the Contractor receives written notification from the Contracting Officer to use another location, in accordance with DFARS 239.7602-2(a). (c) Limitations on access to, and …
- DFARS 252.247-7023 Transportation of Supplies by Sea.…n was used and some or all of the shipments were made on foreign-flag vessels without the written consent of DoD. The Contractor shall describe these shipments in the following format: (h) If this contract exceeds the simplified acquisitio…
- FAR 4.1102 Policy.…s required to provide the responsible contracting officer a minimum of one business day's written notification of its intention to change the name in SAM, comply with the requirements of subpart 42.12, and agree in writing to the timeline a…
- FAR 8.712 Specification changes.… nonprofit agency of any change in specifications or descriptions. In the absence of such written notification, the AbilityOneparticipating nonprofit agency shall furnish the supplies or services under the specification or description cited…
- FAR 9.301 Definition.Approval, as used in this subpart, means the contracting officer's written notification to the contractor accepting the test results of the first article.
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.