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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68 sections with “sole source basis”: the first 40
- FAR 19.1406 Sole-source awards.(a) A contracting officer shall consider a contract award to a SDVOSB concern on a sole source basis (see 6.302-5(b)(6)), before considering small business set-asides (see 19.203 and subpart 19.5) provided none of the exclusions of 19.1404 …
- 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 18.115 HUBZone sole source awards.…warded to Historically Underutilized Business Zone (HUBZone) small business concerns on a sole source basis. (See 19.1306.)
- FAR 18.116 Service-disabled Veteran-owned Small Business (SDVOSB) sole source awards.…led Veteran-owned Small Business (SDVOSB) concerns eligible under the SDVOSB Program on a sole source basis. (See 19.1406.)
- 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 2.101 Definitions.… These projections may include rates for such things as labor, indirect costs, material obsolescence and usage, spare parts provisioning, and material handling. Forward pricing rate recommendation means a rate set unilaterally by the admin…
- FAR 22.1003-4 Administrative limitations, variations, tolerances, and exemptions.…obtained from the manufacturer or supplier of the equipment under a contract awarded on a sole source basis. (v) Transportation by common carrier of persons by air, motor vehicle, rail, or marine vessel on regularly scheduled routes or via…
- 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 13.501 Special documentation requirements.(a) Sole source (including brand name) acquisitions. (1) Acquisitions conducted under simplified acquisition procedures are exempt from the requirements in part 6. However, contracting officers must— (i) Conduct sole source acquisitions, a…
- 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 52.248-1 Value Engineering.…nly; (ii) In research and development (R&D) end items or R&D test quantities that is due solely to results of previous testing under this contract; or (iii) To the contract type only. (c) VECP preparation. As a minimum, the Contractor sh…
- DFARS 215.408 Solicitation provisions and contract clauses.…t 12 procedures for the acquisition of commercial products and commercial services, for a sole source acquisition from the Canadian Commercial Corporation that is— (i) Cost-reimbursement, if the contract value is expected to exceed $700,00…
- DFARS 217.7505 Limitations on price increases.…ublic Law 98-94 (10 U.S.C. 2452 note). (a) The contracting officer shall not award, on a sole source basis, a contract for any centrally managed replenishment part when the price of the part has increased by 25 percent or more over the mos…
- DFARS 252.251-7000 Ordering from Government supply sources.…te the 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) Comp…
- FAR 4.803 Contents of contract files.…with inclusive dates of responsibility. (42) When limiting competition, or awarding on a sole source basis, to economically disadvantaged women-owned small business (EDWOSB) concerns or women-owned small business (WOSB) concerns eligible u…
- FAR 6.303-1 Requirements.(a) A contracting officer shall not commence negotiations for a sole source contract, commence negotiations for a contract resulting from an unsolicited proposal, or award any other contract without providing for full and open competition u…
- 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 12.102 Applicability.…cial services. (2) A contract in an amount greater than $25 million that is awarded on a sole source basis for a product or service treated as a commercial product or commercial service under paragraph (f)(1) of this section but does not m…
- FAR 15.407-4 Should-cost review.… Some initial production has already taken place; (ii) The contract will be awarded on a sole source basis; (iii) There are future year production requirements for substantial quantities of like items; (iv) The items being acquired have …
- FAR 15.607 Criteria for acceptance and negotiation of an unsolicited proposal.…eemed a meritorious proposal. (b) The contracting officer may commence negotiations on a sole source basis only when— (1) An unsolicited proposal has received a favorable comprehensive evaluation; (2) A justification and approval has bee…
- FAR 18.117 Awards to economically disadvantaged women-owned small business concerns and women-owned small business concerns eligible under the Women-Owned Small Business Program.…-owned small business (WOSB) concerns eligible under the WOSB Program on a competitive or sole source basis. (See subpart 19.15.)
- FAR 19.804-6 Indefinite-delivery contracts.… competition among 8(a) contractors. (b) The contracting officer may issue an order on a sole source basis when— (1) The multiple-award contract was set aside for exclusive competition among 8(a) participants; (2) The order has an estima…
- 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 52.219-9 Small Business Subcontracting Plan.…lanned subcontracting generally, for both commercial and Government business, rather than solely to the Government contract. Once the Contractor's commercial plan has been approved, the Government will not require another subcontracting pla…
- FAR 52.222-53 Exemption From Application of the Service Contract Labor Standards to Contracts for Certain Services—Requirements.…portant as price or cost; or (2) A subcontract for exempt services shall be awarded on a sole source basis. (f) The Contractor is responsible for compliance with all the conditions of this exemption by its subcontractors. The Contractor s…
- FAR 13.106-1 Soliciting competition.…is section shall not apply to solicitations for multiple-award contracts that provide for sole source orders pursuant to section 8(a) of the Small Business Act (15 U.S.C. 637(a)). (v) Except for DoD, contracting officers shall ensure the c…
- FAR 15.407-1 Defective certified cost or pricing data.…ffected by any of the following circumstances: (i) The contractor or subcontractor was a sole source supplier or otherwise was in a superior bargaining position; (ii) The contracting officer should have known that the certified cost or pr…
- 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 19.800 General.…racts may be awarded to the SBA for performance by eligible 8(a) participants on either a sole source or competitive basis. (c) Acting under the authority of the program, the SBA certifies to an agency that SBA is competent and responsible…
- FAR 19.805-1 General.…hreshold (see paragraph (a)(2) of this section), the SBA may accept the requirement for a sole source 8(a) award if— (1) There is not a reasonable expectation that at least two eligible and responsible 8(a) participants will submit offers …
- 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 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…
- DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.… or by others to whom the recipient has released or disclosed the data and to seek relief solely from the party who has improperly used, modified, reproduced, released, performed, displayed, or disclosed Contractor data marked with restrict…
- DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.…y others to whom the recipient has released or disclosed the software, and to seek relief solely from the party who has improperly used, modified, reproduced, released, performed, displayed, or disclosed Contractor software marked with rest…
FAR (chapter 1)
- Part 1 Federal Acquisition Regulations System 58 sections
- Part 2 Definitions of Words and Terms 3 sections
- Part 3 Improper Business Practices and Personal Conflicts of Interest 98 sections
- Part 4 Administrative and Information Matters 116 sections
- Part 5 Publicizing Contract Actions 34 sections
- Part 6 Competition Requirements 34 sections
- Part 7 Acquisition Planning 34 sections
- Part 8 Required Sources of Supplies and Services 67 sections
- Part 9 Contractor Qualifications 106 sections
- Part 10 Market Research 4 sections
- Part 11 Describing Agency Needs 33 sections
- Part 12 Acquisition of Commercial Products and Commercial Services 38 sections
- Part 13 Simplified Acquisition Procedures 49 sections
- Part 14 Sealed Bidding 82 sections
- Part 15 Contracting by Negotiation 81 sections
- Part 16 Types of Contracts 74 sections
- Part 17 Special Contracting Methods 50 sections
- Part 18 Emergency Acquisitions 34 sections
- Part 19 Small Business Programs 126 sections
- Part 22 Application of Labor Laws to Government Acquisitions 205 sections
- Part 23 Environment, Sustainable Acquisition, and Material Safety 38 sections
- Part 24 Protection of Privacy and Freedom of Information 10 sections
- Part 25 Foreign Acquisition 81 sections
- Part 26 Other Socioeconomic Programs 36 sections
- Part 27 Patents, Data, and Copyrights 59 sections
- Part 28 Bonds and Insurance 61 sections
- Part 29 Taxes 23 sections
- Part 30 Cost Accounting Standards Administration 30 sections
- Part 31 Contract Cost Principles and Procedures 87 sections
- Part 32 Contract Financing 175 sections
- Part 33 Protests, Disputes, and Appeals 23 sections
- Part 34 Major System Acquisition 20 sections
- Part 35 Research and Development Contracting 25 sections
- Part 36 Construction and Architect-engineer Contracts 81 sections
- Part 37 Service Contracting 46 sections
- Part 38 Federal Supply Schedule Contracting 3 sections
- Part 39 Acquisition of Information Technology 14 sections
- Part 40 Information Security and Supply Chain Security 12 sections
- Part 41 Acquisition of Utility Services 17 sections
- Part 42 Contract Administration and Audit Services 84 sections
- Part 43 Contract Modifications 14 sections
- Part 44 Subcontracting Policies and Procedures 24 sections
- Part 45 Government Property 33 sections
- Part 46 Quality Assurance 60 sections
- Part 47 Transportation 106 sections
- Part 48 Value Engineering 13 sections
- Part 49 Termination of Contracts 108 sections
- Part 50 Extraordinary Contractual Actions and the Safety Act 34 sections
- Part 51 Use of Government Sources by Contractors 15 sections
- Part 52 Solicitation Provisions and Contract Clauses 680 sections
- Part 53 Forms 61 sections
DFARS (chapter 2, Defense)
- Part 201 Federal Acquisition Regulations System 24 sections
- Part 202 Definitions of Words and Terms 1 sections
- Part 203 Improper Business Practices and Personal Conflicts of Interest 28 sections
- Part 204 Administrative and Information Matters 76 sections
- Part 205 Publicizing Contract Actions 11 sections
- Part 206 Competition Requirements 20 sections
- Part 207 Acquisition Planning 22 sections
- Part 208 Required Sources of Supplies and Services 31 sections
- Part 209 Contractor Qualifications 55 sections
- Part 210 Market Research 2 sections
- Part 211 Describing Agency Needs 22 sections
- Part 212 Acquisition of Commercial Products and Commercial Services 24 sections
- Part 213 Simplified Acquisition Procedures 23 sections
- Part 214 Sealed Bidding 14 sections
- Part 215 Contracting by Negotiation 66 sections
- Part 216 Types of Contracts 36 sections
- Part 217 Special Contracting Methods 64 sections
- Part 218 Emergency Acquisitions 7 sections
- Part 219 Small Business Programs 47 sections
- Part 222 Application of Labor Laws to Government Acquisitions 56 sections
- Part 223 Environment, Sustainable Acquisition, and Material Safety 34 sections
- Part 224 Protection of Privacy and Freedom of Information 2 sections
- Part 225 Foreign Acquisition 251 sections
- Part 226 Other Socioeconomic Programs 14 sections
- Part 227 Patents, Data, and Copyrights 99 sections
- Part 228 Bonds and Insurance 17 sections
- Part 229 Taxes 9 sections
- Part 230 Cost Accounting Standards Administration 2 sections
- Part 231 Contract Cost Principles and Procedures 13 sections
- Part 232 Contract Financing 74 sections
- Part 233 Protests, Disputes, and Appeals 8 sections
- Part 234 Major System Acquisition 13 sections
- Part 235 Research and Development Contracting 16 sections
- Part 236 Construction and Architect-engineer Contracts 25 sections
- Part 237 Service Contracting 67 sections
- Part 239 Acquisition of Information Technology 38 sections
- Part 241 Acquisition of Utility Services 8 sections
- Part 242 Contract Administration and Audit Services 40 sections
- Part 243 Contract Modifications 18 sections
- Part 244 Subcontracting Policies and Procedures 13 sections
- Part 245 Government Property 23 sections
- Part 246 Quality Assurance 39 sections
- Part 247 Transportation 27 sections
- Part 249 Termination of Contracts 14 sections
- Part 250 Extraordinary Contractual Actions and the Safety Act 16 sections
- Part 251 Use of Government Sources by Contractors 5 sections
- Part 252 Solicitation Provisions and Contract Clauses 405 sections
- Part 253 Forms 10 sections
- Part 270 Defense Contracting Programs 7 sections
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.