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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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119 sections with “responsible source”: the first 40

  • FAR 6.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
    …1). (2) When the supplies or services required by the agency are available from only one responsible source, or, for DoD, NASA, and the Coast Guard, from only one or a limited number of responsible sources, and no other type of supplies or…
  • DFARS 205.205-71 Only one responsible source.
    Follow the procedures at PGI 206.302-1(d) prior to soliciting a proposal without providing for full and open competition under the authority at FAR 6.302-1.
  • DFARS 206.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
    (a) Authority. (2)(i) Section 8059 of Pub. L. 101-511 and similar sections in subsequent defense appropriations acts prohibit departments and agencies from entering into contracts for studies, analyses, or consulting services (see FAR subpa…
  • FAR 2.101 Definitions.
    …y contract. Acquisition planning means the process by which the efforts of all personnel responsible for an acquisition are coordinated and integrated through a comprehensive plan for fulfilling the agency need in a timely manner and at a …
  • DFARS 225.7702-1 Acquisition of small arms.
    …nd open competition is justified in accordance with FAR Subpart 6.3, ensure that— (i) No responsible U.S. manufacturer is excluded from competing for the acquisition; and (ii) Products manufactured in the United States are not excluded fr…
  • DFARS 236.272 Prequalification of sources.
    …inistration regional office, if the qualifying authority believes a small business is not responsible; (2) Permit the small business to submit a bid or proposal if the preliminary recommendation is that the small business is responsible; a…
  • DFARS 252.244-7001 Contractor Purchasing System Administration.
    … and efficient procurement of required quality materials and parts at the best value from responsible and reliable sources, including the requirements of 252.246-7007, Contractor Counterfeit Electronic Part Detection and Avoidance System, i…
  • DFARS 252.246-7008 Sources of Electronic Parts.
    …ing identification of the assemblies containing the parts (e.g., serial numbers); (B) Be responsible for inspection, testing, and authentication, in accordance with existing applicable industry standards; and (C) Make documentation of ins…
  • FAR 19.704 Subcontracting plan requirements.
    …t number, its unique entity identifier , and the e-mail address of the offeror's official responsible for acknowledging receipt of or rejecting the ISRs to all first-tier subcontractors with subcontracting plans so they can enter this infor…
  • FAR 19.808-1 Sole source.
    …s completed a justification in accordance with the requirements of 6.303. (b) The SBA is responsible for initiating negotiations with the agency within the time established by the agency. If the SBA does not initiate negotiations within th…
  • FAR 52.203-13 Contractor Code of Business Ethics and Conduct.
    … for law enforcement to identify the nature and extent of the offense and the individuals responsible for the conduct. It includes providing timely and complete response to Government auditors' and investigators' request for documents and a…
  • FAR 52.225-19 Contractor Personnel in a Designated Operational Area or Supporting a Diplomatic or Consular Mission Outside the United States.
    ….C. 106 note. (c) Support. Unless specified elsewhere in the contract, the Contractor is responsible for all logistical and security support required for Contractor personnel engaged in this contract. (d) Compliance with laws and regulati…
  • FAR 3.104-4 Disclosure, protection, and marking of contractor bid or proposal information and source selection information.
    …tion, as defined in 2.101, should consult with agency officials as necessary. Individuals responsible for preparing material that may be source selection information as described at paragraph (10) of the “source selection information” defin…
  • FAR 5.207 Preparation and transmittal of synopses.
    …6)(i) Except when using the sole source authority at 6.302-1, insert a statement that all responsible sources may submit a bid, proposal, or quotation which shall be considered by the agency. (ii) When using the sole source authority at 6.…
  • FAR 6.202 Establishing or maintaining alternative sources.
    …his D&F shall not be made on a class basis. (2) Technical and requirements personnel are responsible for providing all necessary data to support their recommendation to exclude a particular source. (3) When the authority in (a)(1) of this…
  • FAR 19.502-2 Total small business set-asides.
    …cer determines there is not a reasonable expectation of obtaining offers from two or more responsible small business concerns that are competitive in terms of fair market prices, quality, and delivery. If the contracting officer receives on…
  • FAR 19.1306 HUBZone sole-source awards.
    …A under subpart 19.8. (4) The HUBZone small business concern has been determined to be a responsible contractor with respect to performance; and (5) Award can be made at a fair and reasonable price. (b) The SBA has the right to appeal th…
  • FAR 19.1406 Sole-source awards.
    …(4) The service-disabled veteran-owned small business concern has been determined to be a responsible contractor with respect to performance; and (5) Award can be made at a fair and reasonable price. (b) Effective January 1, 2024, a contr…
  • FAR 19.1506 Women-Owned Small Business Program sole-source awards.
    …ny other NAICS codes. (2) The EDWOSB concern or WOSB concern has been determined to be a responsible contractor with respect to performance. (3) The award can be made at a fair and reasonable price. (d) A contracting officer shall only a…
  • FAR 51.102 Authorization to use Government supply sources.
    …ed in this subpart. (f) After issuing the authorization, the authorizing agency shall be responsible for— (1) Ensuring that contractors comply with the terms of their authorizations and that supplies and services obtained from Government …
  • FAR 52.207-6 Solicitation of Offers from Small Business Concerns and Small Business Teaming Arrangements or Joint Ventures (Multiple-Award Contracts).
    …tract with a reserve. (b) The Government is soliciting and will consider offers from any responsible source, including responsible small business concerns and offers from Small Business Teaming Arrangements or joint ventures of small busin…
  • FAR 52.219-9 Small Business Subcontracting Plan.
    …act number, its unique entity identifier, and the email address of the Offeror's official responsible for acknowledging receipt of or rejecting the ISRs, to all first-tier subcontractors with subcontracting plans so they can enter this info…
  • FAR 52.245-1 Government Property.
    …representative of the Contracting Officer appointed in accordance with agency procedures, responsible for administering the contract requirements and obligations relating to Government property in the possession of a Contractor. Property r…
  • DFARS 251.102 Authorization to use Government supply sources.
    …quisitioning from the Department of Veterans Affairs. (f) The authorizing agency is also responsible for promptly considering requests of the DoD supply source for authority to refuse to honor requisitions from a contractor that is indebte…
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …icate of Current Cost or Pricing Data, as prescribed by FAR 15.406-2. (3) The Offeror is responsible for determining whether a subcontractor qualifies for an exception from the requirement for submission of certified cost or pricing data o…
  • DFARS 252.225-7021 Trade Agreements.
    …ers of U.S.-made, qualifying country, or designated country end products from responsive, responsible offerors are either not received or are insufficient to fill the Government's requirements; or (ii) A national interest waiver has been g…
  • DFARS 252.251-7000 Ordering from Government supply sources.
    …contract in accordance with the terms of the contract, and the Contractor shall be solely responsible for any increased costs. (d) When placing orders for Government stock on a non-reimbursable basis, the Contractor shall— (1) Comply with…
  • FAR 5.101 Methods of disseminating information.
    …ion satisfying the requirements of 5.207(c). The notice must include a statement that all responsible sources may submit a response which, if timely received, must be considered by the agency. The information must be posted not later than t…
  • FAR 6.001 Applicability.
    …ursuant to this part when— (1) The contract was awarded under subpart 6.1 or 6.2 and all responsible sources were realistically permitted to compete for the requirements contained in the order; or (2) The contract was awarded under subpar…
  • FAR 9.104-1 General standards.
    To be determined responsible, a prospective contractor must— (a) Have adequate financial resources to perform the contract, or the ability to obtain them (see 9.104-3(a)); (b) Be able to comply with the required or proposed delivery or pe…
  • FAR 9.202 Policy.
    …cation was not attained. (b) When justified under the circumstances, the agency activity responsible for establishing a qualification requirement shall submit to the advocate for competition for the procuring activity responsible for purch…
  • FAR 9.205 Opportunity for qualification before award.
    …f an agency determines that a qualification requirement is necessary, the agency activity responsible for establishing the requirement must urge manufacturers and other potential sources to demonstrate their ability to meet the standards sp…
  • FAR 15.402 Pricing policy.
    Contracting officers shall— (a) Purchase supplies and services from responsible sources at fair and reasonable prices. In establishing the reasonableness of the offered prices, the contracting officer— (1) Shall obtain certified cost or p…
  • FAR 15.403-1 Prohibition on obtaining certified cost or pricing data (10 U.S.C. chapter 271 and 41 U.S.C. chapter 35).
    …ce competition. (i) A price is based on adequate price competition when— (A) Two or more responsible offerors, competing independently, submit priced offers that satisfy the Government's expressed requirement; (B) Award will be made to th…
  • FAR 19.201 General policy.
    …lies and services is placed with small business. (b) Heads of contracting activities are responsible for effectively implementing the small business programs within their activities, including achieving program goals. They are to ensure th…
  • FAR 19.805-1 General.
    … participants when— (1) There is a reasonable expectation that at least two eligible and responsible 8(a) participants will submit offers and that award can be made at a fair market price; and (2) The anticipated total value of the contra…
  • FAR 26.504 Policy.
    (a) No offeror other than an individual shall be considered a responsible source (see 9.104-1(g) and 19.602-1(a)(2)(i)) for a contract that exceeds the simplified acquisition threshold, unless it agrees that it will provide a drug-free work…
  • FAR 42.1503 Procedures.
    …fy and assign past performance evaluation roles and responsibilities to those individuals responsible for preparing and reviewing interim evaluations, if prepared, and final evaluations (e.g., contracting officers, contracting officer repre…
  • DFARS 252.246-7006 Warranty Tracking of Serialized Items.
    … the correction of defects. Enterprise means the entity (e.g., a manufacturer or vendor) responsible for granting the warranty and/or assigning unique item identifiers to serialized warranty items. Enterprise identifier means a code that …
  • DFARS 253.209-1 Responsible prospective contractors.
    (a) SF 1403, Preaward Survey of Prospective Contractor (General). (i) The factors in Section III, Block 19, generally mean— (A) Technical capability. An assessment of the prospective contractor's key management personnel to determine if th…

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.