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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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17 sections with “class small business set-aside”

  • FAR 19.502-6 Setting aside a class of acquisitions for small business.
    (a) A class of acquisitions of selected products or services, or a portion of the acquisitions, may be set aside for exclusive participation by small business concerns if individual acquisitions in the class will meet the criteria in 19.502…
  • FAR 19.502-9 Withdrawing or modifying small business set-asides.
    …he reasons. In a similar manner, the contracting officer may modify a unilateral or joint class small business set-aside to withdraw one or more individual acquisitions. (b) If the agency small business specialist does not agree to a withd…
  • FAR 52.219-1 Small Business Program Representations.
    …rd-party certifier in accordance with 13 CFR 127.300. (b)(1) The North American Industry Classification System (NAICS) code for this acquisition is ____[insert NAICS code]. (2) The small business size standard is ____[insert size standard…
  • FAR 52.219-28 Postaward Small Business Program Rerepresentation.
    …fect at the time of this rerepresentation that corresponds to the North American Industry Classification System (NAICS) code(s) assigned to this contract. The small business size standard corresponding to this NAICS code(s) can be found at …
  • FAR 2.101 Definitions.
    …ssful performance of ongoing Federal operations. All advisory and assistance services are classified in one of the following definitional subdivisions: (1) Management and professional support services, i.e., contractual services that provi…
  • FAR 19.505 Limitations on subcontracting and nonmanufacturer rule.
    …omply with the following: (i) For a contract or order assigned a North American Industry Classification System (NAICS) code for services (except construction), the concern will not pay more than 50 percent of the amount paid by the Governm…
  • FAR 19.502-5 Insufficient reasons for not setting aside an acquisition.
    …A period of less than 30 days is available for receipt of offers. (e) The acquisition is classified. (f) Small business concerns are already receiving a fair proportion of the agency's contracts for supplies and services. (g) A class sma…
  • FAR 16.505 Ordering.
    …en disclosure would compromise the national security (e.g., would result in disclosure of classified information) or create other security risks. (D) The justification is subject to the screening requirement in paragraph (b)(2)(ii)(D)(4) o…
  • FAR 5.404-1 Release procedures.
    …tion of the industry as a whole. (b) Conditions. The agency head shall ensure that— (1) Classified information is released through existing security channels in accordance with agency security regulations; (2) The information is publiciz…
  • FAR 52.204-8 Annual Representations and Certifications.
    … Annual Representations and Certifications (MAR 2026) (a)(1) The North American Industry Classification System (NAICS) code for this acquisition is _______ [insert NAICS code]. (2) The small business size standard is _______ [insert size …
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …erors—Commercial Products and Commercial Services (SEP 2023) (a) North American Industry Classification System (NAICS) code and small business size standard. The NAICS code(s) and small business size standard(s) for this acquisition appear…
  • FAR 52.219-14 Limitations on Subcontracting.
    …us); and (2) Is considered small for the size standard under the North American Industry Classification System (NAICS) code the prime contractor assigned to the subcontract. (c) Applicability. This clause applies only to— (1) Contracts t…
  • FAR 5.207 Preparation and transmittal of synopses.
    …ed in Synopses to identify services or supplies. Contracting officers must use one of the classification codes identified at https://www.sam.gov to identify services or supplies in synopses. (f) Notice of solicitation cancellation. Contrac…
  • FAR 19.001 Definitions.
    …aged in similar lines of activity, as listed and described in the North American Industry Classification system (NAICS) manual. Similarly situated entity means a first-tier subcontractor, including an independent contractor, that— (1) Has…
  • FAR 19.301-1 Representation by the offeror.
    …at it meets the small business size standard corresponding to the North American Industry Classification System (NAICS) code identified in the solicitation; or (B) For a multiple-award contract where there is more than one NAICS code assig…
  • FAR 19.501 General.
    …cerns identified at 19.000(a)(3). A small business set-aside of a single acquisition or a class of acquisitions may be total or partial. (2) The purpose of small business reserves is to award one or more multiple-award contracts to any of …
  • FAR 19.1306 HUBZone sole-source awards.
    …, will not exceed— (i) $8.5 million for a requirement within the North American Industry Classification System (NAICS) codes for manufacturing; or (ii) $5.5 million for a requirement within all other NAICS codes; (3) The requirement is n…

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.