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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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19 sections with “national security assessment”

  • 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…
  • 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 225.772-4 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…
  • 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 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…
  • DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    …of Former DoD Officials, as prescribed in 203.171-4(a), to comply with section 847 of the National Defense Authorization Act for Fiscal Year 2008 (Pub. L. 110-181). (C) Use the clause at 252.203-7002, Requirement to Inform Employees of Whi…
  • DFARS 252.204-7020 NIST SP 800-171 DoD Assessment Requirements.
    …se applies to covered contractor information systems that are required to comply with the National Institute of Standards and Technology (NIST) Special Publication (SP) 800-171, in accordance with Defense Federal Acquisition Regulation Syst…
  • 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…
  • 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 …
  • DFARS 239.7304 Determination and notification.
    …ment, that— (1) Use of the authority in 239.7305(a), (b), or (c) is necessary to protect national security by reducing supply chain risk; (2) Less intrusive measures are not reasonably available to reduce such supply chain risk; and (3) …
  • DFARS 252.204-7018 Prohibition on the Acquisition of Covered Defense Telecommunications Equipment or Services.
    …es or defense services included on the United States Munitions List set forth in the International Traffic in Arms Regulations under subchapter M of chapter I of title 22, Code of Federal Regulations; (2) Items included on the Commerce Con…
  • DFARS 252.232-7010 Levies on Contract Payments.
    …ocumentation; and (3) Advice as to whether the inability to perform may adversely affect national security, including rationale and adequate supporting documentation. (c) DoD shall promptly review the Contractor's assessment, and the Proc…
  • 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 52.222-50 Combating Trafficking in Persons.
    …st of return transportation upon the end of employment— (A) For an employee who is not a national of the country in which the work is taking place and who was brought into that country for the purpose of working on a U.S. Government contra…
  • 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 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 217.172 Multiyear contracts for supplies.
    … to the conditions listed in FAR 17.105-1(b), the use of such a contract will promote the national security of the United States (10 U.S.C. 3501(a)(6)). (c) Multiyear contracts in amounts exceeding $900 million must be specifically authori…
  • DFARS 225.7019-3 Waiver.
    …re an adequate supply of furnished energy for the covered military installation; and (2) National security requirements have been balanced against the potential risk associated with reliance upon the Russian Federation for furnished energy…

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.