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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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103 sections with “investigation”: the first 40

  • FAR 22.406-8 Investigations.
    Conduct labor standards investigations when available information indicates such action is warranted. In addition, the Department of Labor may conduct an investigation on its own initiative or may request a contracting agency to do so. (a)…
  • DFARS 222.406-8 Investigations.
    (a) Before beginning an investigation, the investigator shall inform the contractor of the general scope of the investigation, and that the investigation will include examining pertinent records and interviewing employees. In conducting the…
  • DFARS 252.228-7005 Mishap Reporting and Investigation Involving Aircraft, Missiles, and Space Launch Vehicles.
    As prescribed in 228.371(d), use the following clause: Mishap Reporting and Investigation Involving Aircraft, Missiles, and Space Launch Vehicles (NOV 2019) (a) The Contractor shall report promptly to the Administrative Contracting Office…
  • DFARS 227.7006 Investigation and administrative disposition of claims.
    An investigation and administrative determination (denial or settlement) of each claim shall be made in accordance with instructions and procedures established by each Department, subject to the following: (a) When the procurement responsi…
  • FAR 36.503 Site investigation and conditions affecting the work.
    The contracting officer shall insert the clause at 52.236-3, Site Investigation and Conditions Affecting the Work, in solicitations and contracts when a fixed-price construction contract or a fixed-price dismantling, demolition, or removal …
  • FAR 52.236-3 Site Investigation and Conditions Affecting the Work.
    As prescribed in 36.503, insert the following clause: Site Investigation and Conditions Affecting the Work (APR 1984) (a) The Contractor acknowledges that it has taken steps reasonably necessary to ascertain the nature and location of the…
  • FAR 22.1604 Compliance evaluation and complaint investigations and sanctions for violations.
    (a) The Secretary may conduct compliance evaluations or investigate complaints of any contractor or subcontractor to determine if any of the requirements of the clause at 52.222-40 have been violated. (b) Contracting departments and agenci…
  • FAR 22.1905 Enforcement of Executive Order Minimum Wage Requirements.
    …ty to the Administrator. Contracting agencies do not have authority to conduct compliance investigations under 29 CFR part 10 or part 23 as implemented in this subpart. This does not limit the contracting officer's authority to otherwise en…
  • FAR 3.907-5 Access to investigative file of Inspector General.
    (a) The employee alleging reprisal under this section shall have access to the investigation file of the Inspector General, in accordance with the Privacy Act, 5 U.S.C. 552a. The investigation of the Inspector General shall be deemed closed…
  • FAR 9.406-1 General.
    …ch constitutes cause for debarment or had adopted such procedures prior to any Government investigation of the activity cited as a cause for debarment. (2) Whether the contractor (including an individual) brought the activity cited as a ca…
  • FAR 22.2109 Enforcement of Executive Order 13706 paid sick leave requirements.
    … Wage and Hour Division. Contracting agencies do not have authority to conduct compliance investigations under 29 CFR part 13 as implemented in this subpart. This does not limit the contracting officer's authority to otherwise enforce the t…
  • FAR 52.222-26 Equal Opportunity.
    …less such disclosure is in response to a formal complaint or charge, in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or is consistent with the Contractor's legal duty…
  • FAR 9.407-3 Procedures.
    (a) Investigation and referral. Agencies shall establish procedures for the prompt reporting, investigation, and referral to the suspending and debarring official of matters appropriate for that official's consideration. (b) Decision-makin…
  • FAR 22.406-12 Cooperation with the Department of Labor.
    … of Labor in the inspection of records, interviews with workers, and all other aspects of investigations undertaken by the Department of Labor. When requested, the contracting agency shall furnish to the Secretary of Labor any available inf…
  • DFARS 203.905 Procedures for investigating complaints.
    … to have committed the violation, and the head of the agency. (3) Upon completion of the investigation, the DoD Inspector General— (i) Either will determine that the complaint is frivolous, fails to allege a violation of the prohibition i…
  • FAR 3.904-2 Procedures for investigating complaints.
    (a) Investigation of complaints will be in accordance with 41 U.S.C. 4712(b). (b) Upon completion of the investigation, the head of the agency shall ensure that the report of findings has been provided by the Inspector General to the head …
  • FAR 7.503 Policy.
    …l be treated as such. This list is not all inclusive: (1) The direct conduct of criminal investigations. (2) The control of prosecutions and performance of adjudicatory functions other than those relating to arbitration or other methods o…
  • FAR 9.406-3 Procedures.
    (a) Investigation and referral. Agencies shall establish procedures for the prompt reporting, investigation, and referral to the suspending and debarring official of matters appropriate for that official's consideration. (b) Decision-makin…
  • FAR 22.802 General.
    …less such disclosure is in response to a formal complaint or charge, in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or is consistent with the contractor's legal duty…
  • FAR 27.302 Policy.
    …erce. To the extent deemed appropriate, the Secretary of Commerce will undertake informal investigation of the matter, and may discuss or negotiate with the nonprofit organization ways to improve its efforts to meet its obligations under th…
  • FAR 31.205-47 Costs related to legal and other proceedings.
    … not include restitution, reimbursement, or compensatory damages. Proceeding includes an investigation. (b) Costs incurred in connection with any proceeding brought by: A Federal, State, local, or foreign government for a violation of, or…
  • FAR 40.202-4 Exemptions.
    …terintelligence activities, protective missions, or Federal criminal or national security investigations, including forensic examinations, or for electronic warfare, information warfare operations, cybersecurity, or development of an unmann…
  • FAR 52.203-13 Contractor Code of Business Ethics and Conduct.
    …endment rights; and (3) Does not restrict a Contractor from— (i) Conducting an internal investigation; or (ii) Defending a proceeding or dispute arising under the contract or related to a potential or disclosed violation. Principal mean…
  • FAR 52.222-19 Child Labor—Cooperation with Authorities and Remedies.
    …anufactured by forced or indentured child labor, authorized officials may need to conduct investigations to determine whether forced or indentured child labor was used to mine, produce, or manufacture any product furnished under this contra…
  • FAR 52.222-50 Combating Trafficking in Persons.
    …) to allow contracting agencies and other responsible Federal agencies to conduct audits, investigations, or other actions to ascertain compliance with the Trafficking Victims Protection Act of 2000 (22 U.S.C. chapter 78), E.O. 13627, or an…
  • FAR 52.225-26 Contractors Performing Private Security Functions Outside the United States.
    …dment rights; and (3) Does not restrict the Contractor from— (i) Conducting an internal investigation; or (ii) Defending a proceeding or dispute arising under the contract or related to a potential or disclosed violation. Other signific…
  • FAR 52.236-4 Physical Data.
    …s of physical conditions on the drawings and in the specifications are the result of site investigations by ____ [insert a description of investigational methods used, such as surveys, auger borings, core borings, test pits, probings, test …
  • FAR 52.245-1 Government Property.
    …sumption, expending, sale (as surplus property), or other disposition, or via a completed investigation, evaluation, and final determination for lost property. This requirement applies to all Government property under the Contractor's accou…
  • DFARS 203.502-2 Subcontractor kickbacks.
    …ing inspections and audits under 41 U.S.C. chapter 87, Kickbacks: (i) U.S. Army Criminal Investigation Command. (ii) Naval Criminal Investigative Service. (iii) Air Force Office of Special Investigations. (iv) Defense Criminal Investiga…
  • DFARS 222.406-13 Semiannual enforcement reports.
    …llowing the end of the reporting period. These reports shall not include information from investigations conducted by the Department of Labor. These reports shall contain the following information, as applicable, for construction work subje…
  • DFARS 228.371 Additional clauses.
    …1 or 2 unmanned aircraft systems per DoD Instruction (DoDI) 6055.07, Mishap Notification, Investigation, Reporting, and Record Keeping, and the purchase price of the air vehicle, including installed Government-furnished equipment, is below …
  • DFARS 239.7602-1 General.
    …d Administration). (3) Appropriate requirements to support applicable inspection, audit, investigation, or other similar authorized activities specific to the relevant types of Government data and Government-related data, or specific to th…
  • DFARS 252.225-7039 Defense Contractors Performing Private Security Functions Outside the United States.
    …dment rights; and (3) Does not restrict the contractor from— (i) Conducting an internal investigation; or (ii) Defending a proceeding or dispute arising under the contract or related to a potential or disclosed violation. Private securi…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    … to which suspected crimes shall be reported include the following— (i) US Army Criminal Investigation Command at http://www.cid.army.mil/reportacrime.html; (ii) Air Force Office of Special Investigations at http://www.osi.andrews.af.mil/…
  • FAR 2.101 Definitions.
    …and individuals in their employ) may logically or justifiably perform, including studies, investigations, surveying and mapping, tests, evaluations, consultations, comprehensive planning, program management, conceptual designs, plans and sp…
  • FAR 3.104-7 Violations or possible violations.
    …h as— (1) Advise the contracting officer to continue with the procurement; (2) Begin an investigation; (3) Refer the information disclosed to appropriate criminal investigative agencies; (4) Conclude that a violation occurred; or (5) R…
  • FAR 3.901 Definitions.
    …y. Authorized official of the Department of Justice means any person responsible for the investigation, enforcement, or prosecution of any law or regulation. Inspector General means an Inspector General appointed under chapter 4 of title …
  • FAR 3.907-4 Procedures for investigating complaints.
    Investigation of complaints will be in accordance with section 1553 of the Recovery Act.
  • FAR 3.907-6 Remedies and enforcement authority.
    … accordance with section 1553 of the Recovery Act not to investigate or to discontinue an investigation; and (ii) There is no showing that such delay or decision is due to the bad faith of the complainant. (2) Such an action shall, at the…
  • FAR 4.801 General.
    …sition process; (2) Supporting actions taken; (3) Providing information for reviews and investigations; and (4) Furnishing essential facts in the event of litigation or congressional inquiries. (c) The files to be established include— …

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.