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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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48 sections with “national security systems”: the first 40

  • 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. …
  • 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 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 52.204-21 Basic Safeguarding of Covered Contractor Information Systems.
    …luding textual, numerical, graphic, cartographic, narrative, or audiovisual (Committee on National Security Systems Instruction (CNSSI) 4009). Information system means a discrete set of information resources organized for the collection, p…
  • 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 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.…
  • DFARS 215.101-2-70 Limitations and prohibitions.
    …source selection procedures. (a) Limitations. (1) In accordance with section 813 of the National Defense Authorization Act for Fiscal Year 2017 (Pub. L. 114-328) as amended by section 822 of the National Defense Authorization Act for Fisc…
  • DFARS 225.872-7 Industrial security for qualifying countries.
    …cessary for the performance of contracts awarded to qualifying country sources are in the National Industrial Security Program Operating Manual, 32 CFR part 117 (implemented for the Army by AR 380-49; for the Navy by SECNAV Instruction 5510…
  • 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…
  • FAR 13.201 General.
    …est from the Secretary of State or the Administrator of the United States Agency for International Development to facilitate provision of international disaster assistance pursuant to 22 U.S.C. 2292 et seq.; or to support response to an eme…
  • FAR 39.001 Applicability.
    …ology by or for the use of agencies except for acquisitions of information technology for national security systems. However, acquisitions of information technology for national security systems shall be conducted in accordance with 40 U.S.…
  • FAR 39.204 Exceptions.
    (a) The requirements in 39.203 do not apply to acquisitions for— (1) National security systems. ICT operated by agencies as part of a national security system, as defined by 40 U.S.C. 11103(a); (2) Incidental contract items. ICT acquired …
  • DFARS 252.204-7021 Contractor Compliance With the Cybersecurity Maturity Model Certification Level Requirements.
    …es in meeting the tasks, and scheduled completion dates for the milestones, as defined in National Institute of Standards and Technology Special Publication 800-115 (32 CFR 170.21). (b) Framework. The Cybersecurity Maturity Model Certifica…
  • 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…
  • FAR 4.1901 Definitions.
    …luding textual, numerical, graphic, cartographic, narrative, or audiovisual (Committee on National Security Systems Instruction (CNSSI) 4009). Information system means a discrete set of information resources organized for the collection, p…
  • 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…
  • DFARS 202.101 Definitions.
    …se Logistics Agency, the Defense Threat Reduction Agency, the Missile Defense Agency, the National Geospatial-Intelligence Agency, the National Security Agency, the Strategic Capabilities Office, the United States Cyber Command, the United …
  • DFARS 225.772-1 Definitions.
    …strates that a majority of the equity interest in such entity is ultimately owned by U.S. nationals is not a foreign entity. (31 CFR 800.212) Government of a covered foreign country includes the state and the government of a covered foreig…
  • DFARS 239.001 Applicability.
    …anding FAR 39.001, this part applies to acquisitions of information technology, including national security systems.
  • DFARS 252.245-7005 Management and Reporting of Government Property.
    …hine-readable data elements to distinguish an item from all other like and unlike items. National stock number means a 13-digit stock number used to identify items of supply. It consists of a four-digit Federal Supply Code and a nine-digit…
  • FAR 15.101-2 Lowest price technically acceptable source selection process.
    …r (see 15.306). (c) Except for DoD, in accordance with section 880 of the John S. McCain National Defense Authorization Act for Fiscal Year 2019 (Pub. L. 115-232, 41 U.S.C. 3701 Note), the lowest price technically acceptable source selecti…
  • FAR 28.204-3 Irrevocable letter of credit.
    …g for each financial institution is investment grade and that the credit rating is from a Nationally Recognized Statistical Rating Organization (NRSRO). NRSROs can be located at the Web site http://www.sec.gov/answers/nrsro.htm maintained b…
  • FAR 39.002 Definitions.
    …racts to acquire information technology systems in successive, interoperable increments. National security system means any telecommunications or information system operated by the United States Government, the function, operation, or use …
  • FAR 52.244-6 Subcontracts for Commercial Products and Commercial Services.
    … (Jun 2020) (38 U.S.C. 4212). (xvi) 52.222-40, Notification of Employee Rights Under the National Labor Relations Act (DEC 2010) (E.O. 13496), if flow down is required in accordance with paragraph (f) of FAR clause 52.222-40. (xvii)(A) 52…
  • FAR 52.245-1 Government Property.
    …roperty Administrator, contain the following: (1) The name, part number and description, National Stock Number (if needed for additional item identification tracking and/or disposition), and other data elements as necessary and required in…
  • DFARS 214.407-3 Other mistakes disclosed before award.
    …ogistics Agency: (A) General Counsel, DLA; and (B) Associate General Counsel, DLA. (v) National Geospatial-Intelligence Agency: General Counsel, NGA. (vi) Defense Threat Reduction Agency: General Counsel, DTRA. (vii) National Security …
  • DFARS 227.7004 Requirements for filing an administrative claim for patent infringement.
    …vocate General; (4) For the Defense Logistics Agency—the Office of Counsel; (5) For the National Security Agency—the General Counsel; (6) For the Defense Information Systems Agency—the Counsel; (7) For the Defense Threat Reduction Agenc…
  • DFARS 234.7002 Policy.
    … commercial product as defined in FAR 2.101; and (B) Such treatment is necessary to meet national security objectives; and (ii) The congressional defense committees are notified at least 30 days before such treatment or acquisition occurs…
  • DFARS 239.7102-1 General.
    …ology in accordance with current policies, procedures, and statutes, to include— (1) The National Security Act; (2) The Clinger-Cohen Act; (3) National Security Telecommunications and Information Systems Security Policy No. 11; (4) Fede…
  • DFARS 252.204-7012 Safeguarding Covered Defense Information and Cyber Incident Reporting.
    …he covered contractor information system shall be subject to the security requirements in National Institute of Standards and Technology (NIST) Special Publication (SP) 800-171, “Protecting Controlled Unclassified Information in Nonfederal …
  • DFARS 252.239-7000 Protection against compromising emanations.
    …s been accredited to meet the appropriate information assurance requirements of— (1) The National Security Agency National TEMPEST Standards (NSTISSAM TEMPEST 1-92, Compromising Emanations Laboratory Test Requirements, Electromagnetics (U)…
  • FAR 4.2304 Procedures.
    …collectively by the Secretary of Homeland Security, Secretary of Defense, and Director of National Intelligence, then the contracting officer shall modify the basic contract based upon the requirements of the order, removing any covered art…
  • FAR 7.103 Agency-head responsibilities.
    …x III of OMB Circular A-130, and guidance and standards from the Department of Commerce's National Institute of Standards and Technology. (x) Ensuring that agency planners use project labor agreements when required (see subpart 22.5 and 36…
  • FAR 40.200 Scope of subpart.
    …ons are implemented in this subpart: (1) The American Security Drone Act of 2023, of the National Defense Authorization Act for Fiscal Year 2024 (Pub. L. 118-31, 41 U.S.C. 3901 note prec.), which provides a prohibition on the procurement a…
  • DFARS 204.7300 Scope.
    …erning the protection of unclassified information, nor does it affect requirements of the National Industrial Security Program.
  • DFARS 204.7500 Scope of subpart.
    …erning the protection of unclassified information, nor does it affect requirements of the National Industrial Security Program. (c) This subpart applies to unclassified contractor information systems.
  • DFARS 212.505 Applicability of certain laws to contracts for the acquisition of COTS items.
    …2) Paragraph (a)(1) of 10 U.S.C. 4863, Requirement to buy strategic materials critical to national security from American sources, except as provided at 225.7003-3(b)(2)(i). (3) Paragraph (a)(1) of 10 U.S.C. 4872, Prohibition on acquisitio…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.