48 CFR · Federal Acquisition Regulation and Defense supplement
FAR and DFARS navigator
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.
Ask the FAR
Try: · · ·
21 sections with “reverse auction”
- FAR 52.217-10 Reverse Auction.As prescribed in 17.805(a), insert the following provision: Reverse Auction (AUG 2024) (a) Definitions. As used in this provision— Reverse auction means the process for obtaining pricing, usually supported by an electronic tool, in which…
- FAR 52.217-11 Reverse Auction—Orders.As prescribed in 17.805(b), insert the following clause: Reverse Auction—Orders (AUG 2024) (a) Definitions. As used in this clause— Reverse auction means the process for obtaining pricing, usually supported by an electronic tool, in whic…
- FAR 52.217-12 Reverse Auction Services.As prescribed in 17.805(c), insert the following clause: Reverse Auction Services (AUG 2024) (a) Definitions. Government data means any information, document, media, or machine-readable material regardless of physical form or characteris…
- FAR 17.802 Policy.(a) The use of reverse auctions may be appropriate when market research indicates that— (1) A competitive marketplace exists for the supplies and/or services being acquired; (2) Multiple offerors can satisfy the agency's requirement; and …
- FAR 17.804 Procedures.(a) When considering the use of a reverse auction service provider, the contracting officer shall— (1) Conduct market research for available sources of reverse auction services (e.g., existing agency contracts or agreements, commercial ser…
- FAR 17.805 Solicitation provision and contract clauses.(a) The contracting officer shall insert the provision at 52.217-10, Reverse Auction, in solicitations when using a reverse auction to award a contract or blanket purchase agreement. (b) The contracting officer shall insert the clause at 5…
- FAR 17.800 Scope of subpart.This subpart prescribes policies and procedures for conducting reverse auctions and utilizing reverse auction service providers.
- FAR 17.801 Definitions.…es, software coding, or algorithms that are not uniquely applied to the Government data. Reverse auction service provider means a commercial or Government entity that provides a means for conducting reverse auctions when acquiring supplies…
- FAR 2.101 Definitions.…Responsible prospective contractor means a contractor that meets the standards in 9.104. Reverse auction means the process for obtaining pricing, usually supported by an electronic tool, in which offerors see competing offerors' price(s), …
- FAR 3.103-2 Evaluating the certification.…al customers at the same prices being offered to the Government. (iv) Participating in a reverse auction (see subpart 17.8). (2) For the purpose of paragraph (b)(2) of the certificate, an individual may use a blanket authorization to act …
- FAR 3.104-4 Disclosure, protection, and marking of contractor bid or proposal information and source selection information.… own bid or proposal information or the recipient from receiving that information. During reverse auctions, agencies may reveal to all offerors the offered price(s), but shall not reveal any offeror's identity except for the awardee's ident…
- FAR 7.105 Contents of written acquisition plans.…cuss the source-selection procedures for the acquisition, including the basis for using a reverse auction (when applicable),the timing for submission and evaluation of proposals, and the relationship of evaluation factors to the attainment …
- FAR 13.104 Promoting competition.…offers from two sources not included in the previous solicitation. (c) When conducting a reverse auction, see subpart 17.8.
- FAR 15.306 Exchanges with offerors after receipt of proposals.…ch, and other reviews have identified as reasonable (41 U.S.C. 2102 and 2107). When using reverse auction procedures (see subpart 17.8), it is also permissible to reveal to all offerors the offered price(s), without revealing any offeror's …
- FAR 17.000 Scope of part.…ulti-year contracting; (b) Options; (c) Leader company contracting; and (d) The use of reverse auctions to obtain competitive pricing.
- FAR 17.803 Applicability.Reverse auction processes shall not be used for— (a) Design-build construction contracts (see 36.104); (b) Procurements for architect-engineer services subject to 40 U.S.C. chapter 11 (see 36.601); (c) Procurements using sealed bidding p…
- DFARS 208.405 Ordering procedures for Federal Supply Schedules.…laced under Federal Supply Schedules. (3) See 217.7801 for the prohibition on the use of reverse auctions for personal protective equipment and aviation critical safety items. (4) See 204.7603 for procedures on the required use of the Sup…
- DFARS 212.203 Procedures for solicitation, evaluation, and award.…ial products and commercial services. (2) See 217.7801 for the prohibition on the use of reverse auctions for personal protective equipment and aviation critical safety items. (3) See 204.7603 for procedures on the required use of Supplie…
- DFARS 213.106-1 Soliciting competition.…licable to simplified acquisitions. (iii) See 217.7801 for the prohibition on the use of reverse auctions for personal protective equipment and aviation critical safety items.
- DFARS 216.505 Ordering.… award indefinite delivery contracts. (B) See 217.7801 for the prohibition on the use of reverse auctions for personal protective equipment and aviation critical safety items. (2) Exceptions to the fair opportunity process. For an order e…
- DFARS 217.7801 Prohibition.…thorization Act for Fiscal Year 2018 (Pub. L. 115-91), contracting officers shall not use reverse auctions when procuring items designated by the requiring activity as personal protective equipment or an aviation critical safety item, when …
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.