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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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118 sections with “security support”: the first 40

  • FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.
    …nly authorized to use deadly force in self-defense. (ii) Contractor personnel performing security functions are also authorized to use deadly force when use of such force reasonably appears necessary to execute their security mission to pr…
  • FAR 25.301-2 Government support.
    (a) Generally, contractors are responsible for providing their own logistical and security support, including logistical and security support for their employees. The agency shall provide logistical or security support only when the appropr…
  • FAR 28.203-3 Release of security interest.
    (a) After consultation with legal counsel, the contracting officer shall release the security interest on the individual surety's assets using the Optional Form 91, Release of Personal Property from Escrow, or a similar release as soon as p…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …, emergency medical care, and basic human needs (e.g., bottled water, latrine facilities, security, and food when necessary) when performing their jobs in the direct vicinity of U.S. Armed Forces. Non-CAAF status does not apply to contracto…
  • FAR 6.302-6 National security.
    …t 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 authority may …
  • DFARS 225.371-3 Government support.
    … types of support listed in PGI 225.371-3(a). (b) The agency shall provide logistical or security support only when the appropriate agency official, in accordance with agency guidance, determines in coordination with the combatant commande…
  • FAR 2.101 Definitions.
    …aking over by the contractor to a bank, trust company, or other financing institution, as security for a loan to the contractor, of its right to be paid by the Government for contract performance. Assisted acquisition means a type of inter…
  • FAR 28.204 Alternatives in lieu of corporate or individual sureties.
    …) Any person required to furnish a bond to the Government may furnish any of the types of security listed in 28.204-1 through 28.204-3 instead of a corporate or individual surety for the bond. When any of those types of security are deposit…
  • FAR 40.202-4 Exemptions.
    …1824, and 1825 of Pub. L. 118-31, 41 U.S.C. 3901 note prec.): (a) Department of Homeland Security, Department of Defense, Department of State, and the Department of Justice exemptions. The Secretary of Homeland Security, the Secretary of D…
  • FAR 50.201 Definitions.
    …irements or such other requirements as defined and specified by the Secretary of Homeland Security: (1) Is unlawful. (2) Causes harm, including financial harm, to a person, property, or entity, in the United States, or in the case of a do…
  • FAR 52.222-54 Employment Eligibility Verification.
    …tract, with the requirements of the E-Verify program MOU. (i) The Department of Homeland Security (DHS) or the Social Security Administration (SSA) may terminate the Contractor's MOU and deny access to the E-Verify system in accordance wit…
  • FAR 52.232-12 Advance Payments.
    …er facilities for inspection of the Contractor's books, records, and accounts. (n) Other security. The terms of this contract are considered to provide adequate security to the Government for advance payments; however, if the administering…
  • FAR 52.250-3 SAFETY Act Block Designation/Certification.
    …irements or such other requirements as defined and specified by the Secretary of Homeland Security: (1) Is unlawful. (2) Causes harm, including financial harm, to a person, property, or entity, in the United States, or in the case of a do…
  • FAR 52.250-4 SAFETY Act Pre-qualification Designation Notice.
    …irements or such other requirements as defined and specified by the Secretary of Homeland Security: (1) Is unlawful. (2) Causes harm, including financial harm, to a person, property, or entity, in the United States, or in the case of a do…
  • FAR 52.250-5 SAFETY Act—Equitable Adjustment.
    …irements or such other requirements as defined and specified by the Secretary of Homeland Security: (1) Is unlawful. (2) Causes harm, including financial harm, to a person, property, or entity, in the United States, or in the case of a do…
  • DFARS 204.7302 Policy.
    (a)(1) Contractors and subcontractors are required to provide adequate security on all covered contractor information systems. (2) Contractors required to implement NIST SP 800-171, in accordance with the clause at 252.204-7012, Safeguardi…
  • DFARS 225.7003-3 Exceptions.
    …at 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 contracts or subc…
  • DFARS 225.7703-2 Determination requirements.
    …s: (a) For products or services to be used only by the military forces, police, or other security personnel of Afghanistan, the contracting officer shall— (1) Determine in writing that the product or service is to be used only by the mili…
  • DFARS 252.204-7008 Compliance with safeguarding covered defense information controls.
    …204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting. (b) The security requirements required by contract clause 252.204-7012, shall be implemented for all covered defense information on all covered contractor inf…
  • DFARS 252.204-7012 Safeguarding Covered Defense Information and Cyber Incident Reporting.
    …d Cyber Incident Reporting (MAY 2024) (a) Definitions. As used in this clause— Adequate security means protective measures that are commensurate with the consequences and probability of loss, misuse, or unauthorized access to, or modifica…
  • DFARS 252.204-7019 Notice of NIST SP 800-171 DoD Assessment Requirements.
    …ic Assessments to SPRS. (i) The email shall include the following information: (A) Cybersecurity standard assessed (e.g., NIST SP 800-171 Rev 1). (B) Organization conducting the assessment (e.g., Contractor self-assessment). (C) For eac…
  • DFARS 252.204-7020 NIST SP 800-171 DoD Assessment Requirements.
    …ntation of NIST SP 800-171 that— (1) Is based on the Contractor's review of their system security plan(s) associated with covered contractor information system(s); (2) Is conducted in accordance with the NIST SP 800-171 DoD Assessment Met…
  • DFARS 252.239-7010 Cloud Computing Services.
    …Compromise means disclosure of information to unauthorized persons, or a violation of the security policy of a system, in which unauthorized intentional or unintentional disclosure, modification, destruction, or loss of an object, or the co…
  • FAR 7.503 Policy.
    …) The conduct of administrative hearings to determine the eligibility of any person for a security clearance, or involving actions that affect matters of personal reputation or eligibility to participate in Government programs. (15) The ap…
  • FAR 8.405-6 Limiting sources.
    …iv) This posting requirement does not apply when disclosure would compromise the national security (e.g., would result in disclosure of classified information) or create other security risks. (b) Items peculiar to one manufacturer. An item…
  • FAR 16.505 Ordering.
    …(a)(4)(iii)(A) of this section do not apply when disclosure would compromise the national security (e.g., would result in disclosure of classified information) or create other security risks. (D) The justification is subject to the screeni…
  • FAR 25.302-3 Applicability.
    … must comply with 32 CFR part 159, whether the contract is for the performance of private security functions as a primary deliverable or the provision of private security functions is ancillary to the stated deliverables. (d) The requireme…
  • FAR 52.228-11 Individual Surety—Pledge of Assets.
    …ond or a payment bond— (1) A pledge of assets that meets the eligibility, valuation, and security requirements described in the Federal Acquisition Regulation (FAR) 28.203-1; and (2) Standard Form 28, Affidavit of Individual Surety. (b) …
  • FAR 7.105 Contents of written acquisition plans.
    …uirements to be included in the solicitation and contract (see 11.002 and part 23). (18) Security considerations. (i) For acquisitions dealing with classified matters, discuss how adequate security will be established, maintained, and moni…
  • FAR 25.302-6 Contract clause.
    (a) Use the clause at 52.225-26, Contractors Performing Private Security Functions Outside the United States, in solicitations and contracts for performance outside the United States in an area of— (1) Combat operations, as designated by t…
  • FAR 28.204-3 Irrevocable letter of credit.
    …the expiration date of the ILC to cover these claims. (f) The period for which financial security is required shall be as follows: (1) If used as a bid guarantee, the ILC should expire no earlier than 60 days after the close of the bid ac…
  • FAR 40.202-5 Exceptions.
    …that an authorized official at the agency, in consultation with the Secretary of Homeland Security, determines that the procurement or operation is necessary for the purposes of supporting the full range of wildfire management operations or…
  • DFARS 209.572 Conflicts of interest in certain consulting services.
    …f China, the Chinese Communist Party, the People's Liberation Army, the Ministry of State Security, or other security service or intelligence agency of the People's Republic of China. (ii) The government of the Russian Federation or any en…
  • DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    …ent Requirements, as prescribed in 204.7304(e). (L) Use the clause at 252.204-7021, Cybersecurity Maturity Model Certification Requirements, as prescribed in 204.7504(a). (M) Use the clause at 252.204-7022, Expediting Contract Closeout, a…
  • DFARS 225.7004-6 Waiver of restrictions.
    …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 (ii) A ce…
  • DFARS 225.7018-4 Nonavailability determination.
    …he maximum extent practicable, and in a manner consistent with the protection of national security and confidential business information— (i) Publish a notice in the GPE (https://www.sam.gov) of the intent to make the nonavailability deter…
  • DFARS 239.7301 Definitions.
    …ly chain risk for a covered system (see 10 U.S.C. 3252). Covered system means a national security system, as that term is defined at 44 U.S.C. 3552(b) (see 10 U.S.C. 3252). It is any information system, including any telecommunications sys…
  • DFARS 252.232-7010 Levies on Contract Payments.
    …ion; 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 Procuring Con…
  • FAR 4.803 Contents of contract files.
    …imate of contract price. (8) A copy of the solicitation and all amendments thereto. (9) Security requirements and evidence of required clearances. (10) A copy of each offer or quotation, the related abstract, and records of determination…
  • FAR 7.103 Agency-head responsibilities.
    …cy planners on information technology acquisitions comply with the information technology security requirements in the Federal Information Security Management Act (44 U.S.C. 3544), OMB's implementing policies including Appendix III of OMB C…

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.