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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5 sections with “two-step method”

  • 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 52.214-23 Late submissions, modifications, revisions, and withdrawals of technical proposals under two-step sealed bidding.
    … Late Submissions, 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…
  • FAR 17.106-1 General.
    …f contracting, since the multiyear procedure is compatible with sealed bidding, including two-step sealed bidding, and negotiation. (b) Type of contract. Given the longer performance period associated with multiyear acquisition, considerat…
  • FAR 14.501 General.
    Two-step sealed bidding is a combination of competitive procedures designed to obtain the benefits of sealed bidding when adequate specifications are not available. An objective is to permit the development of a sufficiently descriptive and…
  • FAR 14.503-1 Step one.
    …roposals are governed by 15.208 (b), (c), and (f). (i) If it is necessary to discontinue two-step sealed bidding, the contracting officer shall include a statement of the facts and circumstances in the contract file. Each offeror shall be …

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.