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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186 sections with “national security”: the first 40
- DFARS 204.470-2 National security exclusion.… for activities, or locations or information associated with such activities, with direct national security significance. (b) In order to ensure that all relevant activities are reviewed for direct national security significance, both curr…
- FAR 6.302-6 National security.…n need not be provided for when the disclosure of the agency's needs would compromise the national security unless the agency is permitted to limit the number of sources from which it solicits bids or proposals. (b) Application. This autho…
- DFARS 225.7021-3 National security waiver of disclosure.…s at 225.7021-2 if the SPE determines in writing that such disclosure would not be in the national security interests of the United States. This authority may not be delegated. See PGI 225.7021-3 for procedures and content requirements rega…
- FAR 52.204-28 Federal Acquisition Supply Chain Security Act Orders—Federal Supply Schedules, Governmentwide Acquisition Contracts, and Multi-Agency Contracts.…tary of Defense may issue FASCSA orders applicable to the Department of Defense (DoD) and national security systems other than sensitive compartmented information systems. This type of FASCSA order may be referred to as a DoD FASCSA order. …
- FAR 52.204-30 Federal Acquisition Supply Chain Security Act Orders—Prohibition.…tary of Defense may issue FASCSA orders applicable to the Department of Defense (DoD) and national security systems other than sensitive compartmented information systems. This type of FASCSA order may be referred to as a DoD FASCSA order. …
- 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.…To Notify DoD if the Contractor's Activities Are Subject to Reporting Under the U.S.-International Atomic Energy Agency Additional Protocol (JAN 2009) (a) If the Contractor is required to report any of its activities in accordance with Dep…
- DFARS 225.7303-2 Cost of doing business with a foreign government or an international organization.…ze the reasonable and allocable costs of doing business with a foreign government or international organization, even though such costs might not be recognized in the same amounts in pricing other defense contracts. Examples of such costs i…
- DFARS 252.239-7016 Telecommunications security equipment, devices, techniques, and services.…, misuse, or modification of which, or unauthorized access to, could adversely affect the national interest or the conduct of Federal programs, or the privacy to which individuals are entitled under 5 U.S.C. 552a (the Privacy Act), but whic…
- FAR 2.101 Definitions.… protected against unauthorized disclosure according to Executive Order 12958, Classified National Security Information, April 17, 1995, or classified in accordance with the Atomic Energy Act of 1954. Cognizant Federal agency means the Fed…
- FAR 4.2104 Waivers.…pply chain risk information; (iii) Notify and consult with the Office of the Director of National Intelligence (ODNI) on the waiver request using ODNI guidance, briefings, best practices, or direct inquiry, as appropriate; and (iv) Notify…
- FAR 4.2301 Definitions.…tary of Defense may issue FASCSA orders applicable to the Department of Defense (DoD) and national security systems other than sensitive compartmented information systems. This type of FASCSA order may be referred to as a DoD FASCSA order. …
- FAR 25.702-4 Waiver.…es and certifies in writing to the appropriate congressional committees that it is in the national interest to do so. (b) An agency seeking waiver of the requirement shall submit the request to the Administrator of the Office of Federal Pr…
- FAR 25.703-4 Waiver.…he class of supplies or equipment is not available from any other source and it is in the national interest. (2) Prior to submitting the waiver request, the request must be reviewed and cleared by the agency head. (c) In general, all waiv…
- FAR 40.202-4 Exemptions.…exempt from the prohibitions in 40.202 if the procurement or operation is required in the national interest of the United States and— (1) Is for the sole purposes of research, evaluation, training, testing, or analysis for electronic warfa…
- FAR 52.204-25 Prohibition on Contracting for Certain Telecommunications and Video Surveillance Services or Equipment.…vernment facilities, physical security surveillance of critical infrastructure, and other national security purposes, video surveillance and telecommunications equipment produced by Hytera Communications Corporation, Hangzhou Hikvision Digi…
- DFARS 209.104-1 General standards.…is required to perform the contract. (A) Under 10 U.S.C. 4874(a), no DoD contract under a national security program may be awarded to an entity controlled by a foreign government if that entity requires access to proscribed information to p…
- DFARS 209.572 Conflicts of interest in certain consulting services.(a) Scope. (1) This section implements section 812 of the National Defense Authorization Act for Fiscal Year 2024 (Pub. L. 118-31). (2) To the extent that this section is inconsistent with FAR subpart 9.5, this section takes precedence. (…
- DFARS 225.7003-3 Exceptions.…rmines that the domestic availability of a particular electronic component is critical to national security. (2)(i) Commercially available off-the-shelf (COTS) items containing specialty metals, except the restrictions do apply to contract…
- DFARS 225.7004-6 Waiver of restrictions.…ments on a timely basis; and (ii) The acquisition is necessary to acquire capability for national security purposes. (2) Document the waiver in a written determination and findings containing— (i) The factors supporting the waiver; and …
- DFARS 227.675-1 International Traffic in Arms Regulations.… munitions of war. (The Munitions List and pertinent procedures are set forth in the International Traffic in Arms Regulations, 22 CFR, et seq.) Before authorizing such exportation, the Department of State generally requests comments from t…
- DFARS 227.7103-16 Providing technical data to foreign governments, foreign contractors, or international organizations.…al data may be released or disclosed to foreign governments, foreign contractors, or international organizations only if release or disclosure is otherwise permitted both by Federal export controls and other national security laws or regula…
- DFARS 227.7203-16 Providing computer software or computer software documentation to foreign governments, foreign contractors, or international organizations.…ntation may be released or disclosed to foreign governments, foreign contractors, or international organizations only if release or disclosure is otherwise permitted both by Federal export controls and other national security laws or regula…
- FAR 4.2101 Definitions.…vernment facilities, physical security surveillance of critical infrastructure, and other national security purposes, video surveillance and telecommunications equipment produced by Hytera Communications Corporation, Hangzhou Hikvision Digi…
- FAR 4.2305 Waivers.…ncy's ability to fulfill its mission-critical functions, or considerations related to the national interest, including national security reviews, national security investigations, or national security agreements; (5) Any alternative mitiga…
- FAR 22.807 Exemptions.…he requirements of E.O. 11246 may be excluded from a contract subject to E.O. 11246: (1) National security. The agency head may determine that a contract is essential to the national security and that the award of the contract without comp…
- FAR 22.1305 Waivers.…t 52.222-35, Equal Opportunity for Veterans, for— (1) Any contract if a waiver is in the national interest; or (2) Groups or categories of contracts if a waiver is in the national interest and it is— (i) Impracticable to act on each requ…
- FAR 22.1403 Waivers.… for Workers with Disabilities, for— (1) Any contract if a waiver is deemed to be in the national interest; or (2) Groups or categories of contracts if a waiver is in the national interest and it is— (i) Impracticable to act on each requ…
- FAR 52.204-29 Federal Acquisition Supply Chain Security Act Orders—Representation and Disclosures.…itions. As used in this provision, Covered article, FASCSA order, Intelligence community, National security system, Reasonable inquiry, Sensitive compartmented information, Sensitive compartmented information system, and Source have the mea…
- DFARS 225.772-4 Exception.…retary of Defense for Policy, without power of redelegation, determines that it is in the national security interest of the United States to enter into such contract; and (2) Not later than seven days before entering into such contract, th…
- DFARS 252.225-7039 Defense Contractors Performing Private Security Functions Outside the United States.…nd regulations of the United States and the host country and applicable treaties and international agreements regarding performance of private security functions; (iii) Orders, directives, and instructions issued by the applicable Combatan…
- DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.…which the United States Government is a party, including cooperative agreements with international or multi-national defense organizations, or sales or transfers by the United States Government to foreign governments or international organi…
- DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.…which the United States Government is a party, including cooperative agreements with international or multi-national defense organizations or sales or transfers by the United States Government to foreign governments or international organiz…
- FAR 4.402 General.(a) Executive Order 12829, January 6, 1993 (58 FR 3479, January 8, 1993), entitled “National Industrial Security Program” (NISP), establishes a program to safeguard Federal Government classified information that is released to contractors, …
- FAR 5.202 Exceptions.…rded to preclude disclosure of an agency's needs and such disclosure would compromise the national security (e.g., would result in disclosure of classified information). The fact that a proposed solicitation or contract action contains clas…
- FAR 7.503 Policy.…her charges from visitors to or patrons of mess halls, post or base exchange concessions, national parks, and similar entities or activities, or from other persons, where the amount to be collected is easily calculated or predetermined and …
- FAR 23.106 Exemptions.(a) The Director of National Intelligence may exempt an intelligence activity of the United States and related personnel, resources, and facilities to the extent the Director determines necessary to protect intelligence sources and methods …
- FAR 39.101 Policy.… Circular A-130, including consideration of security of resources, protection of privacy, national security and emergency preparedness, accessibility for individuals with disabilities, and energy efficiency; (ii) The requirements for susta…
- FAR 52.212-5 Contract Terms and Conditions Required To Implement Statutes or Executive Orders—Commercial Products and Commercial Services.…(JUN 2020) (38 U.S.C. 4212). __(38) 52.222-40, Notification of Employee Rights Under the National Labor Relations Act (DEC 2010) (E.O. 13496). __(39)(i) 52.222-50, Combating Trafficking in Persons (OCT 2025) (22 U.S.C. chapter 78 and E.O.…
- FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.…with and comply with, all applicable— (1) United States, host country, and third country national laws; (2) Treaties and international agreements; (3) United States regulations, directives, instructions, policies, and procedures; and (4…
- FAR 52.240-1 Prohibition on Unmanned Aircraft Systems Manufactured or Assembled by American Security Drone Act—Covered Foreign Entities.…shed in the System for Award Management (SAM) at https://www.sam.gov (section 1822 of the National Defense Authorization Act for Fiscal Year 2024, Pub. L. 118-31, 41 U.S.C. 3901 note prec.). FASC-prohibited unmanned aircraft system means a…
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.