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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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121 sections with “prohibited”: the first 40

  • FAR 25.701 Restrictions administered by the Department of the Treasury on acquisitions of supplies or services from prohibited sources.
    … (b) Except as authorized by OFAC, most transactions involving Cuba, Iran, and Sudan are prohibited, as are most imports from Burma or North Korea into the United States or its outlying areas. In addition, lists of entities and individuals…
  • DFARS 252.209-7007 Prohibited Financial Interests for Lead System Integrators.
    As prescribed in 209.570-4(b), use the following clause: Prohibited Financial Interests for Lead System Integrators (DEC 2022) (a) Definitions. As used in this clause— (1) Lead system integrator includes lead system integrator with syste…
  • FAR 22.2106 Prohibited acts.
    In accordance with 29 CFR 13.6, and by operation of the clause at 52.222-62, Paid Sick Leave Under Executive Order 13706, a contractor may not— (a) Interfere with an employee's accrual or use of paid sick leave as required by E.O. 13706 or…
  • DFARS 225.701 Restrictions administered by the Department of the Treasury on acquisitions of supplies or services from prohibited sources.
  • FAR 3.104-2 General.
    …reminded that there are other statutes and regulations that deal with the same or related prohibited conduct, for example— (1) The offer or acceptance of a bribe or gratuity is prohibited by 18 U.S.C. 201 and 10 U.S.C. 4651. The acceptance…
  • FAR 22.1703 Policy.
    …s in the contract; (b) Require contractors and subcontractors to notify employees of the prohibited activities described in paragraph (a) of this section and the actions that may be taken against them for violations; (c) With regard to ce…
  • FAR 52.204-30 Federal Acquisition Supply Chain Security Act Orders—Prohibition.
    …cts or services produced or provided by a source, if the covered article or the source is prohibited by an applicable FASCSA orders as follows: (i) For solicitations and contracts awarded by a Department of Defense contracting office, DoD …
  • FAR 52.222-50 Combating Trafficking in Persons.
    …rced labor; and (iv) Protect all employees suspected of being victims of or witnesses to prohibited activities, prior to returning to the country from which the employee was recruited, and shall not prevent or hinder the ability of these e…
  • FAR 52.240-1 Prohibition on Unmanned Aircraft Systems Manufactured or Assembled by American Security Drone Act—Covered Foreign Entities.
    …Authorization Act for Fiscal Year 2024, Pub. L. 118-31, 41 U.S.C. 3901 note prec.). FASC-prohibited unmanned aircraft system means an unmanned aircraft system manufactured or assembled by an American Security Drone Act—covered foreign enti…
  • FAR 40.202-3 Prohibition.
    …iver applies (see 40.202-4, 40.202-5, and 40.202-6, respectively), executive agencies are prohibited from— (a) Procuring a FASC-prohibited unmanned aircraft system (section 1823 and 1826 of Pub. L. 118-31, 41 U.S.C. 3901 note prec.). The p…
  • DFARS 252.225-7065 Restriction on Acquisition of Fuel for Overseas Contingency Operations.
    …in whole or in part, or derivatives of such fuel, that is sourced from nations or regions prohibited from selling petroleum to the United States. See Federal Acquisition Regulation subpart 25.7 and the Office of Foreign Assets Control websi…
  • FAR 4.2102 Prohibition.
    (a) Prohibited equipment, systems, or services. (1) On or after August 13, 2019, agencies are prohibited from procuring or obtaining, or extending or renewing a contract to procure or obtain, any equipment, system, or service that uses cove…
  • FAR 39.101 Policy.
    …r a waiver is granted. (See subpart 4.21.) (2) On or after August 13, 2020, agencies are prohibited from entering into a contract, or extending or renewing a contract, with an entity that uses any equipment, system, or service that uses co…
  • FAR 52.222-56 Certification Regarding Trafficking in Persons Compliance Plan.
    … certification shall state that— (1) It has implemented a compliance plan to prevent any prohibited activities identified in paragraph (b) of the clause at 52.222-50, Combating Trafficking in Persons, and to monitor, detect, and terminate …
  • FAR 1.102-5 Role of the acquisition team.
    … in the best interest of the Government and is not specifically addressed in the FAR, nor prohibited by law (statute or case law), Executive order or other regulation, Government members of the Team should not assume it is prohibited. Rathe…
  • FAR 3.502-2 Subcontractor kickbacks.
    … (b) Imposes criminal penalties on any person who knowingly and willfully engages in the prohibited conduct addressed in paragraph (a) of this section. (c) Provides for the recovery of civil penalties by the United States from any person …
  • FAR 3.903 Policy.
    (a)(1) Contractors and subcontractors are prohibited from discharging, demoting, or otherwise discriminating against an employee as a reprisal for disclosing, to any of the entities listed at paragraph (b) of this section, information that …
  • FAR 13.201 General.
    …r a waiver is granted. (See subpart 4.21.) (2) On or after August 13, 2020, agencies are prohibited from entering into a contract, or extending or renewing a contract, with an entity that uses any equipment, system, or service that uses co…
  • FAR 40.202-7 Procedures.
    …equiring activity to review proposals to ensure they are not proposing delivery of a FASC-prohibited unmanned aircraft system. On or after December 22, 2025, this assessment shall expand to include review for not only proposed delivery, but…
  • FAR 52.204-29 Federal Acquisition Supply Chain Security Act Orders—Representation and Disclosures.
    …quisition Supply Chain Security Act Orders—Prohibition. (b) Prohibition. Contractors are prohibited from providing or using as part of the performance of the contract any covered article, or any products or services produced or provided by…
  • FAR 52.216-32 Task-Order and Delivery-Order Ombudsman.
    …the Ombudsman may keep the identity of the concerned party or entity confidential, unless prohibited by law or agency procedure. (End of clause) Alternate I. As prescribed in 16.506(j), add the following paragraph (d) to the basic clause.…
  • FAR 52.226-7 Drug-Free Workplace.
    …e Contractor in connection with a specific contract where employees of the Contractor are prohibited from engaging in the unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance. Employee means an emplo…
  • DFARS 223.7103 Procedures.
    …nt, or disposal of toxic or hazardous materials not owned by DoD on a DoD installation is prohibited unless— (i) One or more of the exceptions set forth in 223.7104(a) is met including requisite approvals; or (ii) Secretary of Defense aut…
  • DFARS 225.7024-2 Prohibition.
    …in whole or in part, or derivatives of such fuel, that is sourced from nations or regions prohibited from selling petroleum to the United States. See FAR subpart 25.7 and the Office of Foreign Assets Control website at https://ofac.treasury…
  • DFARS 252.209-7006 Limitations on Contractors Acting as Lead System Integrators.
    …d in this provision, have the meanings given in the clause of this solicitation entitled “Prohibited Financial Interests for Lead System Integrators” (DFARS 252.209-7007). (b) General. Unless an exception is granted, no contractor performi…
  • DFARS 252.209-7009 Organizational Conflict of Interest—Major Defense Acquisition Program.
    …Reform Act of 2009 (Pub. L. 111-23), the Contractor or any affiliate of the Contractor is prohibited from participating as a prime contractor or major subcontractor in the development or production of a weapon system under the major defense…
  • DFARS 252.223-7006 Prohibition on Storage, Treatment, and Disposal of Toxic or Hazardous Materials.
    …s specified in DoD regulations. (b) In accordance with 10 U.S.C. 2692, the Contractor is prohibited from storing, treating, or disposing of toxic or hazardous materials not owned by DoD on a DoD installation, except to the extent authorize…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …t below the legal host-country minimum wage; (H) Be notified of their rights, wages, and prohibited activities prior to signing their employment contract; and (I) If housing is provided, live in housing that meets host-country housing and…
  • FAR 1.102 Statement of guiding principles for the Federal Acquisition System.
    … procedure is in the best interests of the Government and is not addressed in the FAR nor prohibited by law (statute or case law), Executive order or other regulation, that the strategy, practice, policy or procedure is a permissible exerci…
  • FAR 1.601 General.
    (a) Unless specifically prohibited by another provision of law, authority and responsibility to contract for authorized supplies and services are vested in the agency head. The agency head may establish contracting activities and delegate b…
  • FAR 1.702 General.
    (a) A D&F shall ordinarily be for an individual contract action. Unless otherwise prohibited, class D&F's may be executed for classes of contract action (see 1.703). The approval granted by a D&F is restricted to the proposed contract actio…
  • FAR 2.101 Definitions.
    …e contractor in connection with a specific contract where employees of the contractor are prohibited from engaging in the unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance. Earned value management…
  • FAR 3.104-3 Statutory and related prohibitions, restrictions, and requirements.
    … the date the report was submitted. (4) Conduct that complies with 41 U.S.C. 2103 may be prohibited by other criminal statutes and the Standards of Ethical Conduct for Employees of the Executive Branch. See 3.104-2(b)(2). (d) Prohibition …
  • FAR 3.104-4 Disclosure, protection, and marking of contractor bid or proposal information and source selection information.
    …on or source selection information after award if disclosure, solicitation, or receipt is prohibited by law. (See 3.104-2(b)(5) and subpart 24.2.)
  • FAR 3.603 Responsibilities of the contracting officer.
    …r has reason to believe, that a prospective contractor is one to which award is otherwise prohibited under 3.601; and (2) There is a most compelling reason to make an award to that prospective contractor. (b) The contracting officer shall…
  • FAR 3.905-1 Remedies.
    … or subcontractor has subjected the employee who submitted the complaint to a reprisal as prohibited by 3.903; and (2) Either issue an order denying relief or take one or more of the following actions: (i) Order the contractor or subcontr…
  • FAR 3.907-2 Policy.
    Non-Federal employers are prohibited from discharging, demoting, or otherwise discriminating against an employee as a reprisal for disclosing covered information to any of the following entities or their representatives: (1) The Board. (2…
  • FAR 3.907-3 Procedures for filing complaints.
    (a) An employee who believes that he or she has been subjected to reprisal prohibited by the Recovery Act, Section 1553 as set forth in 3.907-2, may submit a complaint regarding the reprisal to the Inspector General of the agency that award…
  • FAR 3.907-6 Remedies and enforcement authority.
    …sis to conclude that the non-Federal employer has subjected the complainant to a reprisal prohibited by subsection 3.907-2 and shall either issue an order denying relief in whole or in part or shall take one or more of the following actions…
  • FAR 3.909-1 Prohibition.
    (a) The Government is prohibited from using fiscal year 2015 and subsequent fiscal year funds for a contract with an entity that requires employees or subcontractors of such entity seeking to report waste, fraud, or abuse to sign internal 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.