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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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91 sections with “bid set”: the first 40

  • FAR 52.228-17 Individual Surety—Pledge of Assets (Bid Guarantee).
    …ibed in 28.203-4(a), insert the following provision: Individual Surety—Pledge of Assets (Bid Guarantee) (FEB 2021) (a) Offerors shall obtain from each person acting as an individual surety on a bid guarantee— (1) A pledge of assets that …
  • FAR 14.202-3 Bid envelopes.
    …es bearing Postage and Fees Paid indicia shall not be distributed with the invitation for bids or otherwise supplied to prospective bidders. (b) To provide for ready identification and proper handling of bids, Optional Form 17, Offer Label…
  • FAR 14.202-4 Bid samples.
    (a) Policy. (1) Bidders shall not be required to furnish bid samples unless there are characteristics of the product that cannot be described adequately in the specification or purchase description. (2) Bid samples will be used only to det…
  • FAR 14.202-7 Facsimile bids.
    …r otherwise restricted by agency procedures, contracting officers may authorize facsimile bids (see 14.201-6(v)). In determining whether or not to authorize facsimile bids, the contracting officer shall consider factors such as— (1) Antici…
  • FAR 14.303 Modification or withdrawal of bids.
    (a) Bids may be modified or withdrawn by any method authorized by the solicitation, if notice is received in the office designated in the solicitation not later than the exact time set for opening of bids. If the solicitation authorizes fac…
  • FAR 14.304 Submission, modification, and withdrawal of bids.
    (a) Bidders are responsible for submitting bids, and any modifications or withdrawals, so as to reach the Government office designated in the invitation for bid (IFB) by the time specified in the IFB. They may use any transmission method au…
  • FAR 14.401 Receipt and safeguarding of bids.
    (a) All bids (including modifications) received before the time set for the opening of bids shall be kept secure. Except as provided in paragraph (b) of this section, the bids shall not be opened or viewed, and shall remain in a locked bid …
  • FAR 14.402-1 Unclassified bids.
    (a) The bid opening officer shall decide when the time set for opening bids has arrived and shall inform those present of that decision. The officer shall then (1) personally and publicly open all bids received before that time, (2) if prac…
  • FAR 14.403 Recording of bids.
    …ion (or automated equivalent), shall be completed and certified as to its accuracy by the bid opening officer as soon after bid opening as practicable. Where bid items are too numerous to warrant complete recording of all bids, abstract ent…
  • FAR 14.404-2 Rejection of individual bids.
    (a) Any bid that fails to conform to the essential requirements of the invitation for bids shall be rejected. (b) Any bid that does not conform to the applicable specifications shall be rejected unless the invitation authorized the submiss…
  • FAR 14.405 Minor informalities or irregularities in bids.
    …ly a matter of form and not of substance. It also pertains to some immaterial defect in a bid or variation of a bid from the exact requirements of the invitation that can be corrected or waived without being prejudicial to other bidders. Th…
  • FAR 36.213-3 Invitations for bids.
    (a) Invitations for bids for construction shall allow sufficient time for bid preparation (i.e., the period of time between the date invitations are distributed and the date set for opening of bids) (but see 5.203 and 14.202-1) to allow bid…
  • FAR 52.214-7 Late submissions, modifications, and withdrawals of bids.
    …(3), insert the following provision: Late Submissions, Modifications, and Withdrawals of Bids (NOV 1999) (a) Bidders are responsible for submitting bids, and any modifications or withdrawals, so as to reach the Government office designate…
  • FAR 52.214-15 Period for Acceptance of Bids.
    As prescribed in 14.201-6(i), insert the following provision: Period for Acceptance of Bids (APR 1984) In compliance with the solicitation, the bidder agrees, if this bid is accepted within __ calendar days (60 calendar days unless a diff…
  • FAR 52.214-23 Late submissions, modifications, revisions, and withdrawals of technical proposals under two-step sealed bidding.
    …s, Modifications, Revisions, and Withdrawals of Technical Proposals Under Two-Step Sealed Bidding (NOV 1999) (a) Bidders are responsible for submitting technical proposals, and any modifications or revisions, so as to reach the Government …
  • FAR 52.228-1 Bid Guarantee.
    As prescribed in 28.101-2, insert a provision or clause substantially as follows: Bid Guarantee (SEP 1996) (a) Failure to furnish a bid guarantee in the proper form and amount, by the time set for opening of bids, may be cause for rejecti…
  • DFARS 252.227-7016 Rights in Bid or Proposal Information.
    …27.7103-6(e)(1), 227.7104-4(b)(1), or 227.7203-6(b), use the following clause: Rights In Bid or Proposal Information (JAN 2025) (a) Definitions. (a) Definitions. As used in this clause— Computer software is defined in— (1) The 252.227-…
  • FAR 14.205 Presolicitation notices.
    In lieu of initially forwarding complete bid sets, the contracting officer may send presolicitation notices to concerns. The notice shall— (a) Specify the final date for receipt of requests for a complete bid set; (b) Briefly describe the…
  • FAR 31.205-18 Independent research and development and bid and proposal costs.
    …ition of the term development, defined in this subsection. Basic research, (See 2.101). Bid and proposal (B&P) costs means the costs incurred in preparing, submitting, and supporting bids and proposals (whether or not solicited) on potent…
  • FAR 14.302 Bid submission.
    Bids shall be submitted so that they will be received in the office designated in the invitation for bids not later than the exact time set for opening of bids.
  • FAR 2.101 Definitions.
    …ment's estimation, provides the greatest overall benefit in response to the requirement. Bid sample means a product sample required to be submitted by an offeror to show characteristics of the offered products that cannot adequately be des…
  • FAR 3.104-1 Definitions.
    …individual, specifically in exchange for services provided by the individual. Contractor bid or proposal information means any of the following information submitted to a Federal agency as part of or in connection with a bid or proposal to…
  • FAR 9.405 Effect of listing.
    …e excluded from acting as individual sureties (see part 28). (e)(1) After the opening of bids or receipt of proposals or quotes, the contracting officer shall review the exclusion records in SAM. (2) Bids received from any listed contract…
  • FAR 14.202-5 Descriptive literature.
    (a) Policy. Contracting officers must not require bidders to furnish descriptive literature unless it is needed before award to determine whether the products offered meet the specification and to establish exactly what the bidder proposes …
  • FAR 14.402-3 Postponement of openings.
    (a) A bid opening may be postponed even after the time scheduled for bid opening (but otherwise in accordance with 14.208) and— (1) The contracting officer has reason to believe that the bids of an important segment of bidders have been de…
  • FAR 14.407-3 Other mistakes disclosed before award.
    …e determinations may be made as described in this 14.407-3 in connection with mistakes in bids alleged after opening of bids and before award. The authority to permit correction of bids is limited to bids that, as submitted, are responsive …
  • FAR 14.407-4 Mistakes after award.
    If a contractor's discovery and request for correction of a mistake in bid is not made until after the award, it shall be processed under the procedures of subpart 33.2 and the following: (a) When a mistake in a contractor's bid is not dis…
  • FAR 14.408-1 General.
    … (1) by written or electronic notice, (2) within the time for acceptance specified in the bid or an extension (see 14.404-1(d)), and (3) to that responsible bidder whose bid, conforming to the invitation, will be most advantageous to the Go…
  • FAR 19.302 Protesting a small business representation or rerepresentation.
    …a). (b) Any time after offers are received by the contracting officer, or in the case of bids, opened, the contracting officer may question the small business representation of any offeror in a specific offer by filing a contracting office…
  • FAR 19.306 Protesting a firm's status as a HUBZone small business concern.
    …ested party shall submit its writtten protest to the contracting officer— (i) For sealed bids— (A) By the close of business on the fifth business day after bid opening; or (B) By the close of business on the fifth business day from the d…
  • FAR 19.307 Protesting a firm's status as a service-disabled veteran-owned small business concern.
    …racting officer— (i) To be received by close of business on the fifth business day after bid opening for sealed bid acquisitions; (ii) To be received by close of business on the fifth business day after receipt of the special notification…
  • FAR 19.705-4 Reviewing the subcontracting plan.
    …s of the plan, as evidenced by records maintained by contractors. (b) If, under a sealed bid solicitation, a bidder submits a plan that does not cover each of the 15 required elements (see 19.704), the contracting officer shall advise the …
  • FAR 28.101-2 Solicitation provision or contract clause.
    …r shall insert a provision or clause substantially the same as the provision at 52.228-1, Bid Guarantee, in solicitations or contracts that require a bid guarantee or similar guarantee. For example, the contracting officer may modify this p…
  • FAR 52.204-8 Annual Representations and Certifications.
    …Part 13; (B) The solicitation is a request for technical proposals under two-step sealed bidding procedures; or (C) The solicitation is for utility services for which rates are set by law or regulation. (ii) 52.203-11, Certification and …
  • FAR 52.219-9 Small Business Subcontracting Plan.
    …mance of construction work from the small business concerns that it used in preparing the bid or proposal, in the same or greater scope, amount, and quality used in preparing and submitting the bid or proposal. Responding to a request for a…
  • DFARS 252.245-7005 Management and Reporting of Government Property.
    …and plant clearance officer direction. The Contractor shall include in its invitation for bids the sales terms and conditions provided by the plant clearance officer. (ii) The Contractor may conduct internet-based sales, to include use of …
  • FAR 14.201-8 Price-related factors.
    … factors set forth in paragraphs (a) through (e) below may be applicable in evaluation of bids for award and shall be included in the solicitation when applicable. (See 14.201-5(c).) (a) Foreseeable costs or delays to the Government result…
  • FAR 14.203-2 Dissemination of information concerning invitations for bids.
    Procedures concerning display of invitations for bids in a public place, information releases to newspapers and trade journals, paid advertisements, and synopsizing through the Governmentwide point of entry (GPE) are set forth in 5.101 and …
  • FAR 14.502 Conditions for use.
    (a) Unless other factors require the use of sealed bidding, two-step sealed bidding may be used in preference to negotiation when all of the following conditions are present: (1) Available specifications or purchase descriptions are not de…
  • FAR 19.308 Protesting a firm's status as an economically disadvantaged women-owned small business concern or women-owned small business concern eligible under the Women-Owned Small Business Program.
    …ing officer— (i) To be received by the close of business by the fifth business day after bid opening for sealed bid acquisitions; (ii) To be received by the close of business by the fifth business day after receipt of the special notifica…

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.