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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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26 sections with “sole-source basis”

  • FAR 19.1506 Women-Owned Small Business Program sole-source awards.
    (a) A contracting officer shall consider a contract award to an EDWOSB concern on a sole-source basis (see 6.302-5(b)(7)) before considering small business set-asides (see 19.203 and subpart 19.5) provided none of the exclusions at 19.1504 …
  • FAR 52.219-27 Notice of Set-Aside for, or Sole-Source Award to, Service-Disabled Veteran-Owned Small Business (SDVOSB) Concerns Eligible Under the SDVOSB Program.
    As prescribed in 19.1408, insert the following clause: Notice of Set-Aside for, or Sole-Source Award to, Service-Disabled Veteran-Owned Small Business (SDVOSB) Concerns Eligible Under the SDVOSB Program (FEB 2024) (a) Definition. Service-…
  • FAR 52.219-29 Notice of Set-Aside for, or Sole-Source Award to, Economically Disadvantaged Women-Owned Small Business Concerns.
    As prescribed in 19.1508(a), insert the following clause: Notice of Set-Aside for, or Sole-Source Award to, Economically Disadvantaged Women-Owned Small Business Concerns (OCT 2022) (a) Definition—Economically disadvantaged women-owned sm…
  • FAR 52.219-30 Notice of Set-Aside for, or Sole-Source Award to, Women-Owned Small Business Concerns Eligible Under the Women-Owned Small Business Program.
    As prescribed in 19.1508(b), insert the following clause: Notice of Set-Aside for, or Sole-Source Award to, Women-Owned Small Business Concerns Eligible Under the Women-Owned Small Business Program (OCT 2022) (a) Definition—Women-owned sm…
  • FAR 19.1306 HUBZone sole-source awards.
    …tracting officer shall consider a contract award to a HUBZone small business concern on a sole-source basis (see 6.302-5(b)(5)) before considering a small business set-aside (see 19.203 and subpart 19.5), provided none of the exclusions at …
  • FAR 52.219-3 Notice of HUBZone Set-Aside or Sole-Source Award.
    As prescribed in 19.1309(a), insert the following clause: Notice of HUBZone Set-Aside or Sole-Source Award (OCT 2022) (a) Definition. “HUBZone small business concern,” as used in this clause, means a small business concern, certified by t…
  • FAR 19.1508 Contract clauses.
    …The contracting officer shall insert the clause at 52.219-29, Notice of Set-Aside for, or Sole-Source Award to, Economically Disadvantaged Women-owned Small Business Concerns, in solicitations and contracts for acquisitions that are set asi…
  • FAR 2.101 Definitions.
    …“HUBZone small business concern” through any of the following procurement methods: (1) A sole-source award to a HUBZone small business concern. (2) Set-aside awards based on competition restricted to HUBZone small business concerns. (3) …
  • FAR 19.1406 Sole-source awards.
    …easonable price. (b) Effective January 1, 2024, a contracting officer shall only award a sole-source contract to a concern that— (1) Is designated in SAM as an SDVOSB concern certified by SBA; or (2) Has represented that it is an SDVOSB …
  • FAR 52.219-1 Small Business Program Representations.
    …a program that authorizes contracting officers to limit competition, including award on a sole-source basis, to SDVOSB concerns eligible under the SDVOSB Program. Small business concern—(1) Means a concern, including its affiliates, that i…
  • FAR 16.505 Ordering.
    … or services ordered are unique or highly specialized. (C) The order must be issued on a sole-source basis in the interest of economy and efficiency because it is a logical follow-on to an order already issued under the contract, provided …
  • FAR 19.507 Solicitation provisions and contract clauses.
    …tion threshold, and in any solicitations and contracts that are set aside or awarded on a sole-source basis in accordance with subparts 19.8, 19.13, 19.14, or 19.15, regardless of dollar value. This includes multiple-award contracts when or…
  • FAR 19.1309 Contract clauses.
    …e contracting officer shall insert the clause at 52.219-3, Notice of HUBZone Set-Aside or Sole-Source Award, in solicitations and contracts for acquisitions that are set aside or awarded on a sole-source basis to, HUBZone small business con…
  • FAR 19.1408 Contract clauses.
    …The contracting officer shall insert the clause at 52.219-27, Notice of Set-Aside for, or Sole-Source Award to, Service-Disabled Veteran-Owned Small Business (SDVOSB) Concerns Eligible Under the SDVOSB Program, in solicitations and contract…
  • FAR 6.303-2 Content.
    … of the specific authority cited. (b) As a minimum, each justification, except those for sole-source 8(a) contracts over $30 million (see paragraph (d) of this section), shall include the following information: (1) Identification of the a…
  • FAR 16.504 Indefinite-quantity contracts.
    …ent of work, thus creating the likelihood that orders in those areas will be awarded on a sole-source basis; however, each awardee need not be capable of performing every requirement as well as any other awardee under the contracts. The con…
  • FAR 19.505 Limitations on subcontracting and nonmanufacturer rule.
    …9.14, and 19.15: (i) Contracts that are set aside. (ii) Contracts that are awarded on a sole-source basis. (iii) Orders that are set-aside as described in 8.405-5 and 16.505(b)(2)(i)(F). (iv) Orders that are issued directly in accordanc…
  • FAR 19.804-5 Basic ordering agreements and blanket purchase agreements.
    …offering and SBA accepting the BOA or BPA itself. (b) SBA will not accept for award on a sole-source basis any order that would cause the total dollar amount of orders issued under a specific BOA or BPA to exceed the competitive threshold …
  • FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …a program that authorizes contracting officers to limit competition, including award on a sole-source basis, to SDVOSB concerns eligible under the SDVOSB Program. Small business concern—(1) Means a concern, including its affiliates, that i…
  • FAR 52.219-8 Utilization of Small Business Concerns.
    …a program that authorizes contracting officers to limit competition, including award on a sole-source basis, to SDVOSB concerns eligible under the SDVOSB Program. Small business concern means a concern, including its affiliates, that is in…
  • FAR 52.219-14 Limitations on Subcontracting.
    … business concerns identified in 19.000(a)(3); (3) Contracts that have been awarded on a sole-source basis in accordance with subparts 19.8, 19.13, 19.14, and 19.15; (4) Orders expected to exceed the simplified acquisition threshold and t…
  • FAR 52.219-33 Nonmanufacturer Rule.
    …business concerns identified in 19.000(a)(3); (ii) Contracts that have been awarded on a sole-source basis in accordance with subparts 19.8, 19.13, 19.14, and 19.15; (iii) Orders expected to exceed the simplified acquisition threshold and…
  • FAR 6.303-1 Requirements.
    …3) Obtains the approval required by 6.304. (b) The contracting officer shall not award a sole-source contract under the 8(a) authority (15 U.S.C. 637(a)) for an amount exceeding $30 million unless— (1) The contracting officer justifies th…
  • FAR 8.405-6 Limiting sources.
    …ordering procedures. The original order or BPA must not have been previously issued under sole-source or limited-sources procedures. (ii) See 8.405-6(c) for the content of the justification for an order or BPA exceeding the simplified acqu…
  • FAR 13.106-1 Soliciting competition.
    …es exceeding the simplified acquisition threshold. The requirements at 13.501(a) apply to sole-source (including brand-name) acquisitions of commercial products and commercial services conducted pursuant to subpart 13.5. (3) See 5.102(a)(6…
  • FAR 13.501 Special documentation requirements.
    …e with 5.102(a)(6). (2) Justifications and approvals are required under this subpart for sole-source (including brand-name) acquisitions or portions of an acquisition requiring a brand-name. If the justification is to cover only the portio…

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.