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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148 sections with “Office of the Under Secretary of Defense (Research and Engineering)”: the first 40
- FAR 52.222-40 Notification of Employee Rights Under the National Labor Relations Act.…s prescribed by the Secretary of Labor, in conspicuous places in and about its plants and offices where employees covered by the National Labor Relations Act engage in activities relating to the performance of the contract, including all pl…
- FAR 22.1503 Procedures for acquiring end products on the List of Products Requiring Contractor Certification as to Forced or Indentured Child Labor.…olicitation for supplies expected to exceed the micro-purchase threshold, the contracting officer must check the List of Products Requiring Contractor Certification as to Forced or Indentured Child Labor (the List) (www.dol.gov/ilab/) (see …
- FAR 52.249-2 Termination for Convenience of the Government (Fixed-Price).…ce of work under this contract in whole or, from time to time, in part if the Contracting Officer determines that a termination is in the Government's interest. The Contracting Officer shall terminate by delivering to the Contractor a Notic…
- FAR 52.249-3 Termination for Convenience of the Government (Dismantling, Demolition, or Removal of Improvements).…e of work under this contract, in whole or, from time to time, in part if the Contracting Officer determines that a termination is in the Government's interest. The Contracting Officer shall terminate by delivering to the Contractor a Notic…
- DFARS 206.304 Approval of the justification.…is authority to— (A) An Assistant Secretary of Defense; or (B) For a defense agency, an officer or employee serving in, assigned, or detailed to that agency who— (1) If a member of the armed forces, is serving in a rank above brigadier g…
- DFARS 213.270 Use of the Governmentwide commercial purchase card.…uirement that results in a more cost-effective payment process; (b)(1) A general or flag officer or a member of the Senior Executive Service (SES) makes a written determination that— (i) The source or sources available for the supply or s…
- FAR 9.109-4 Certification by the offeror.…sarmament Act (22 U.S.C. 2593a). The report is available at https://www.state.gov/bureaus-offices/under-secretary-for-arms-control-and-international-security-affairs/bureau-of-arms-control-verification-and-compliance/”; and (ii) Similarly …
- FAR 6.304 Approval of the justification.…approved in writing— (1) For a proposed contract not exceeding $900,000, the contracting officer's certification required by 6.303-2(b)(12) will serve as approval unless a higher approving level is established in agency procedures. (2) Fo…
- FAR 17.207 Exercise of options.(a) When exercising an option, the contracting officer shall provide written notice to the contractor within the time period specified in the contract. (b) When the contract provides for economic price adjustment and the contractor request…
- FAR 22.406-9 Withholding from or suspension of contract payments.(a) Withholding from contract payments. If the contracting officer believes a violation exists (see 22.406-8), or upon request of the Department of Labor, the contracting officer must withhold from payments due the contractor an amount equa…
- FAR 22.1905 Enforcement of Executive Order Minimum Wage Requirements.…FR part 10 or part 23 as implemented in this subpart. This does not limit the contracting officer's authority to otherwise enforce the terms and conditions of the contract. (2) Contracting officers shall withhold payment at the direction o…
- FAR 22.2109 Enforcement of Executive Order 13706 paid sick leave requirements.… under 29 CFR part 13 as implemented in this subpart. This does not limit the contracting officer's authority to otherwise enforce the terms and conditions of the contract. (b) Complaints. (1) Complaints are filed with the Administrator of…
- FAR 42.1204 Applicability of novation agreements.…ird party as a successor in interest to Government contracts, the responsible contracting officer shall identify and evaluate any significant organizational conflicts of interest in accordance with subpart 9.5. If the responsible contractin…
- FAR 52.209-14 Reserve Officer Training Corps and Military Recruiting on Campus.As prescribed in 9.110-5, insert the following clause: Reserve Officer Training Corps and Military Recruiting on Campus (NOV 2021) (a) Definitions. As used in this clause— Covered agency means— (1) The Department of Defense; (2) Any de…
- FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.…ernment of southern Sudan; (2) Are conducted pursuant to specific authorization from the Office of Foreign Assets Control in the Department of the Treasury, or are expressly exempted under Federal law from the requirement to be conducted u…
- FAR 52.226-1 Utilization of Indian Organizations and Indian-Owned Economic Enterprises.…ullest extent consistent with efficient performance of its contract. (1) The Contracting Officer and the Contractor, acting in good faith, may rely on the representation of an Indian organization or Indian-owned economic enterprise as to i…
- DFARS 209.572 Conflicts of interest in certain consulting services.…n proceeding. Contract oversight entity means any of the following: (i) The contracting officer. (ii) The contracting officer's representative. (iii) The Defense Contract Management Agency. (iv) The Defense Contract Audit Agency. (v) …
- DFARS 215.404-72 Modified weighted guidelines method for nonprofit organizations other than FFRDCs.…not involve influencing legislation or political campaigning for any candidate for public office; and (4) That is exempted from Federal income taxation under section 501 of the Internal Revenue Code. (b) For nonprofit organizations that a…
- DFARS 252.209-7012 Prohibition Relating to Conflicts of Interest in Consulting Services—Certification.…n proceeding. Contract oversight entity means any of the following: (1) The Contracting Officer. (2) The Contracting Officer's Representative. (3) The Defense Contract Management Agency. (4) The Defense Contract Audit Agency. (5) The …
- DFARS 252.225-7050 Disclosure of Ownership or Control by the Government of a Country that is a State Sponsor of Terrorism.…e beneficial owner; (2) Holding a management position in the firm, such as a director or officer; (3) Ability to control or influence the election, appointment, or tenure of directors or officers in the firm; (4) Ownership of 10 percent …
- FAR 22.406-12 Cooperation with the Department of Labor.…bor representative undertakes an investigation at a construction project, the contracting officer shall inquire into the scope of the investigation, and request to be notified immediately of any violations discovered under the Construction …
- FAR 42.1205 Agreement to recognize contractor's change of name.…t to reflect the name change. The contractor shall forward to the responsible contracting officer three signed copies of the Change-of-Name Agreement, and one copy each of the following: (1) The document effecting the name change, authenti…
- DFARS 252.204-7000 Disclosure of information.…rt of this contract or any program related to this contract, unless— (1) The Contracting Officer has given prior written approval; (2) The information is otherwise in the public domain before the date of release; or (3) The information r…
- DFARS 252.209-7011 Representation for Restriction on the Use of Certain Institutions of Higher Education.…fucius Institute unless that institution receives a waiver from the Department of Defense Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)). The waiver authority terminates on October 1, 2026. Any waiver issu…
- FAR 50.102-3 Limitations on exercise of authority.…, or directly affect, any matter that has been submitted to the Government Accountability Office; or (iv) Involve disposal of Government surplus property. (2) Mistakes shall not be corrected by an action obligating the Government for over…
- FAR 52.209-13 Violation of Arms Control Treaties or Agreements—Certification.…sarmament Act (22 U.S.C. 2593a). The report is available at https://www.state.gov/bureaus-offices/under-secretary-for-arms-control-and-international-security-affairs/bureau-of-arms-control-verification-and-compliance/; and (ii) No entity o…
- FAR 52.222-23 Notice of Requirement for Affirmative Action To Ensure Equal Employment Opportunity for Construction.…ically in the Federal Register in notice form, and these notices may be obtained from any Office of Federal Contract Compliance Programs office. (c) The Contractor's compliance with Executive Order 11246, as amended, and the regulations in…
- DFARS 209.170-3 Waiver of restriction.The restriction in 209.170-2 can be waived by the Office of the Under Secretary of Defense (Research and Engineering), without power of delegation, in accordance with the Confucius Institute Waiver Program guidance. The waiver authority ter…
- FAR 37.111 Extension of services.…ice requirements are often delayed due to circumstances beyond the control of contracting offices. Examples of circumstances causing such delays are bid protests and alleged mistakes in bid. In order to avoid negotiation of short extensions…
- FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.…MAY 2020) (a) Definitions. As used in this clause— Chief of mission means the principal officer in charge of a diplomatic mission of the United States or of a United States office abroad which is designated by the Secretary of State as di…
- FAR 52.227-11 Patent Rights—Ownership by the Contractor.…s. (1) The Contractor shall disclose in writing each subject invention to the Contracting Officer within 2 months after the inventor discloses it in writing to Contractor personnel responsible for patent matters. The disclosure shall identi…
- DFARS 252.205-7000 Provision of Information to Cooperative Agreement Holders.…tive agreement holders, upon their request, with a list of those appropriate employees or offices responsible for entering into subcontracts under defense contracts. The list shall include the business address, telephone number, and area of…
- DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.…nd Operational Tracker (SPOT)-generated letter of authorization signed by the Contracting Officer in order to process through a deployment center or to travel to, from, or within the designated operational area. The letter of authorization …
- DFARS 252.235-7000 Indemnification Under 10 U.S.C. 3861—Fixed Price.…lful misconduct or lack of good faith on the part of any of the Contractor's directors or officers, managers, superintendents, or other equivalent representatives who have supervision or direction of— (i) All or substantially all of the Co…
- DFARS 252.235-7001 Indemnification Under 10 U.S.C. 3861—Cost Reimbursement.…lful misconduct or lack of good faith on the part of any of the Contractor's directors or officers, managers, superintendents, or other equivalent representatives who have supervision or direction of— (i) All or substantially all of the Co…
- FAR 22.1022 Withholding of contract payments.…cludes nonpayment) of compensation due employees performing the contract. The contracting officer may withhold—or, upon written request of the Department of Labor from a level no lower than that of Deputy Regional Administrator, Wage and Ho…
- DFARS 249.7003 Notification of anticipated contract terminations or reductions.…ted contracts— (i) Directly to the Secretary of Labor; and (ii) Through the contracting officer to each prime contractor. (c) When subcontracts have been issued, the prime contractor is responsible for— (1) Providing notice of the termi…
- DFARS 252.209-7002 Disclosure of Ownership or Control by a Foreign Government.…xercised or exercisable, to control the election, appointment, or tenure of the Offeror's officers or a majority of the Offeror's board of directors by any means, e.g., ownership, contract, or operation of law (or equivalent power for uninc…
- DFARS 252.225-7049 Prohibition on Acquisition of Certain Foreign Commercial Satellite Services—Representations.…epresentation, in addition to other remedies available to the Government, the Contracting Officer may terminate the contract resulting from this solicitation for default. (End of provision)
- FAR 52.222-62 Paid Sick Leave Under Executive Order 13706.…program registered with the Department of Labor's Employment and Training Administration, Office of Apprenticeship, or with a State Apprenticeship Agency recognized by the Office of Apprenticeship. (2)(i) An employee performs “on” a contra…
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.