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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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58 sections with “certify”: the first 40

  • FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …ucts and countries of origin in paragraph (i)(1) of this provision, then the offeror must certify to either (i)(2)(i) or (i)(2)(ii) by checking the appropriate block.] □ (i) The offeror will not supply any end product listed in paragraph (…
  • FAR 9.109-4 Certification by the offeror.
    (a) In order to be eligible for contract award, an offeror is required to— (1)(i) Certify that it does not engage and has not engaged in any activity that contributed to or was a significant factor in the President's or Secretary of State'…
  • FAR 52.242-4 Certification of Final Indirect Costs.
    …clause: Certification of Final Indirect Costs (JAN 1997) (a) The Contractor shall— (1) Certify any proposal to establish or modify final indirect cost rates; (2) Use the format in paragraph (c) of this clause to certify; and (3) Have t…
  • FAR 19.307 Protesting a firm's status as a service-disabled veteran-owned small business concern.
    … SBA in the SBA Veteran Small Business Certification Program database at https://veterans.certify.sba.gov. (4) A concern found to be ineligible may not submit future offers as an SDVOSB concern until the concern is designated as an SDVOSB …
  • FAR 19.1403 Status.
    … are in the SBA Veteran Small Business Certification Program database at https://veterans.certify.sba.gov. (c) If there is a decision issued by SBA as a result of a current eligibility examination finding that the concern did not qualify a…
  • FAR 22.1003-4 Administrative limitations, variations, tolerances, and exemptions.
    …ce Contract Labor Standards clause(s). (iii) If the apparent successful offeror does not certify to the conditions in paragraph (c)(2)(i) through (iii) of this subsection, the contracting officer shall incorporate in the contract the Servi…
  • FAR 25.703-2 Iran Sanctions Act.
    …of this subsection, or a waiver is granted in accordance with 25.703-4, each offeror must certify that the offeror, and any person owned or controlled by the offeror, does not engage in any activity for which sanctions may be imposed under …
  • FAR 33.207 Contractor certification.
    …en submitted as all or part of a claim. (c) The certification shall state as follows: I certify that the claim is made in good faith; that the supporting data are accurate and complete to the best of my knowledge and belief; that the amou…
  • FAR 42.1204 Applicability of novation agreements.
    …ATION, [CORPORATE SEAL] XYZ CORPORATION, [CORPORATE SEAL] CERTIFICATE I, __________, certify that I am the Secretary of ABC CORPORATION; that __________, who signed this Agreement for this corporation, was then ________ of this corpora…
  • FAR 52.203-2 Certificate of Independent Price Determination.
    … (2)(i) Has been authorized, in writing, to act as agent for the following principals in certifying that those principals have not participated, and will not participate in any action contrary to subparagraphs (a)(1) through (a)(3) above …
  • FAR 52.222-48 Exemption From Application of the Service Contract Labor Standards to Contracts for Maintenance, Calibration, or Repair of Certain Equipment—Certification.
    …or shall check the following certification: CERTIFICATION The offeror □ does □ does not certify that— (1) The items of equipment to be serviced under this contract are used regularly for other than Government purposes, and are sold or tr…
  • FAR 52.222-52 Exemption From Application of the Service Contract Labor Standards to Contracts for Certain Services—Certification.
    …or shall check the following certification: CERTIFICATION The offeror □ does □ does not certify that— (1) The services under the contract are offered and sold regularly to non-Governmental customers, and are provided by the offeror (or s…
  • FAR 52.233-1 Disputes.
    … submitted as all or part of a claim. (iii) The certification shall state as follows: “I certify that the claim is made in good faith; that the supporting data are accurate and complete to the best of my knowledge and belief; that the amou…
  • FAR 52.246-15 Certificate of Conformance.
    … or services at the Contractor's expense. (d) The certificate shall read as follows: “I certify that on ___ [insert date], the ___ [insert Contractor's name] furnished the supplies or services called for by Contract No. ___ via ___ [Carri…
  • DFARS 252.225-7065 Restriction on Acquisition of Fuel for Overseas Contingency Operations.
    …ion and submit the certification with their offer. (1) The Offeror does [ ] does not [ ] certify that the fuel, in whole or in part, or derivatives of such fuel, to be provided under any contract resulting from this solicitation is not sou…
  • DFARS 252.243-7002 Requests for Equitable Adjustment.
    …the time of submission, the following certificate executed by an individual authorized to certify the request on behalf of the Contractor: I certify that the request is made in good faith, and that the supporting data are accurate and comp…
  • FAR 4.1302 Acquisition of approved products and services for personal identity verification.
    …licable products and services are approved as compliant with FIPS PUB 201 including— (1) Certifying the products and services procured meet all applicable Federal standards and requirements; (2) Ensuring interoperability and conformance t…
  • FAR 6.303-1 Requirements.
    …e with 6.305. (c) Technical and requirements personnel are responsible for providing and certifying as accurate and complete necessary data to support their recommendation for other than full and open competition. (d) Justifications requi…
  • FAR 9.204 Responsibilities for establishment of a qualification requirement.
    …pective contractor requesting the United States to bear testing and evaluation costs must certify as to its status as a small business concern under section 3 of the Small Business Act in order to receive further consideration. (b) Qualify…
  • FAR 15.403-4 Requiring certified cost or pricing data (10 U.S.C. chapter 271 and 41 U.S.C. chapter 35).
    … (2) A Certificate of Current Cost or Pricing Data, in the format specified in 15.406-2, certifying that to the best of its knowledge and belief, the cost or pricing data were accurate, complete, and current as of the date of agreement on …
  • FAR 15.406-2 Certificate of current cost or pricing data.
    …ertificate in the contract file. Certificate of Current Cost or Pricing Data This is to certify that, to the best of my knowledge and belief, the cost or pricing data (as defined in section 2.101 of the Federal Acquisition Regulation (FAR…
  • FAR 19.601 General.
    …g and performing a specific Government contract. (b) The COC program empowers the SBA to certify to Government contracting officers as to all elements of responsibility of any small business concern to receive and perform a specific Govern…
  • FAR 19.805-2 Procedures.
    …it such information to the SBA in accordance with 13 CFR 124.112(c). (d)(1) SBA does not certify joint ventures, as entities, into the 8(a) program. (2) A contracting officer may consider a joint venture for contract award. SBA does not a…
  • FAR 19.1405 Set-aside procedures.
    …fication are in the SBA Veteran Small Business Certification database at https://veterans.certify.sba.gov; (2) Proceed with the offer evaluation, if the offeror meets the criteria in paragraph (c)(1)(i) or (ii) of this section; or (3) Rem…
  • FAR 19.1406 Sole-source awards.
    … are in the SBA Veteran Small Business Certification Program database at https://veterans.certify.sba.gov. (c) The SBA has the right to appeal the contracting officer's decision not to make an SDVOSB sole-source award.
  • FAR 22.201 General.
    …exercise the power and authority vested in the Attorney General by the Executive order to certify and to revoke the certification of work-release laws or regulations (see 28 CFR 0.94-1(b)).
  • FAR 22.1503 Procedures for acquiring end products on the List of Products Requiring Contractor Certification as to Forced or Indentured Child Labor.
    …country of origin) of a type identified by country of origin on the List the offeror must certify that— (1) It will not supply any end product on the List that was mined, produced, or manufactured in a country identified on the List for th…
  • FAR 25.702-2 Certification.
    … the Sudan Accountability and Divestment Act of 2007 (Pub. L. 110-174), each offeror must certify that it does not conduct restricted business operations in Sudan.
  • FAR 25.903 Exempted supplies.
    …s under a Government contract. For certain of these supplies, the contracting agency must certify to the Commissioner of Customs that they are for the purpose stated in the Harmonized Tariff Schedule (see 19 CFR 10.102-104, 10.114, and 10.1…
  • FAR 32.303 General.
    …e used in connection with the guarantees. (g) The guaranteeing agency is responsible for certifying eligibility for the guarantee and fixing the maximum dollar amount and maturity date of the guaranteed loan to meet the contractor's requir…
  • FAR 32.503-9 Liquidation rates—alternate method.
    … clause; (8) The parties agree on an appropriate rate; and (9) The contractor agrees to certify annually, or more often if requested by the contracting officer, that the alternate rate continues to meet the conditions of subsections 5, 6,…
  • FAR 33.201 Definitions.
    …cuted by a person authorized to bind the contractor with respect to the claim. Failure to certify shall not be deemed to be a defective certification. Issue in controversy means a material disagreement between the Government and the contra…
  • FAR 42.703-2 Certificate of indirect costs.
    …to the OMB Uniform Guidance at 2 CFR part 200, subpart E and appendix IV. (c) Failure to certify. (1) If the contractor has not certified its proposal for final indirect cost rates and a waiver is not appropriate, the contracting officer m…
  • FAR 42.1205 Agreement to recognize contractor's change of name.
    …NITED STATES OF AMERICA, ABC CORPORATION, [CORPORATE SEAL] CERTIFICATE I, __________, certify that I am the Secretary of ABC CORPORATION; that __________, who signed this Agreement for this corporation, was then ________ of this corpora…
  • FAR 49.105 Duties of termination contracting officer after issuance of notice of termination.
    …of the contractor to furnish accurate, complete, and current cost or pricing data, and to certify to that effect in accordance with 15.403-4(a)(1) when the amount of a termination settlement agreement, or a partial termination settlement ag…
  • FAR 50.103-3 Contract adjustment.
    …l, at the time the request is submitted, submit a certification by a person authorized to certify the request on behalf of the contractor that— (1) The request is made in good faith; and (2) The supporting data are accurate and complete t…
  • FAR 52.209-12 Certification Regarding Tax Matters.
    …a total contract price that will exceed $7 million (including options), the Offeror shall certify that, to the best of its knowledge and belief, it— (1) Has [ ] filed all Federal tax returns required during the three years preceding the ce…
  • FAR 52.209-13 Violation of Arms Control Treaties or Agreements—Certification.
    …he annual report are not equivalent to a determination of violation: (i) An inability to certify compliance. (ii) An inability to conclude compliance. (iii) A statement about compliance concerns. (3) If so, determine whether the Offeror…
  • FAR 52.214-28 Subcontractor Certified Cost or Pricing Data—Modifications—Sealed Bidding.
    …a subsequent threshold adjustment. (c) The Contractor shall require the subcontractor to certify in substantially the form prescribed in subsection 15.406-2 of the Federal Acquisition Regulation that, to the best of its knowledge and belie…
  • FAR 52.215-12 Subcontractor Certified Cost or Pricing Data.
    …a subsequent threshold adjustment. (b) The Contractor shall require the subcontractor to certify in substantially the form prescribed in FAR 15.406-2 that, to the best of its knowledge and belief, the data submitted under paragraph (a) of …

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.