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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12 sections with “substantive”

  • FAR 33.201 Definitions.
    …s all or part of an existing claim. Misrepresentation of fact means a false statement of substantive fact, or any conduct which leads to the belief of a substantive fact material to proper understanding of the matter in hand, made with int…
  • FAR 1.501-1 Definition.
    Significant revisions, as used in this subpart, means revisions that alter the substantive meaning of any coverage in the FAR System and which have a significant cost or administrative impact on contractors or offerors, or a significant eff…
  • FAR 2.101 Definitions.
    …cluding any deputy or assistant chief official of an executive agency. Alternate means a substantive variation of a basic provision or clause prescribed for use in a defined circumstance. It adds wording to, deletes wording from, or substi…
  • FAR 9.504 Contracting officer responsibilities.
    …documentation. The contracting officer's judgment need be formally documented only when a substantive issue concerning potential organizational conflict of interest exists. (e) The contracting officer shall award the contract to the appare…
  • FAR 14.404-5 All or none qualifications.
    …draw or modify all or none qualifications after bid opening since such qualifications are substantive and affect the rights of other bidders.
  • FAR 29.204 Federal excise tax on specific foreign contract payments.
    …s merely withhold the tax (section 5000C tax) for the Internal Revenue Service (IRS). All substantive issues regarding the underlying section 5000C tax, e.g., the imposition of, and exemption from the tax, are matters under the jurisdiction…
  • FAR 43.101 Definitions.
    … means a unilateral (see 43.103(b)) contract change, in writing, that does not affect the substantive rights of the parties (e.g., a change in the paying office or the appropriation data). Effective date means— (1) For a solicitation amen…
  • FAR 49.102 Notice of termination.
    …nation notice. The contracting officer may amend a termination notice to— (1) Correct nonsubstantive mistakes in the notice; (2) Add supplemental data or instructions; or (3) Rescind the notice if it is determined that items terminated h…
  • FAR 50.205-2 Pre-qualification designation notice.
    …echnology specifications or statement of work are established and are unlikely to undergo substantive modification. DHS will then determine whether the technology identified in the request either affirmatively or presumptively satisfies the…
  • DFARS 215.404-71-3 Contract type risk and working capital adjustment.
    … the contract. It— (i) Is based on the time necessary for the contractor to complete the substantive portion of the work; (ii) Is not necessarily the period of time between contract award and final delivery (or final payment), as periods …
  • DFARS 252.233-7001 Choice of law (overseas).
    …seas) (JUN 1997) This contract shall be construed and interpreted in accordance with the substantive laws of the United States of America. By the execution of this contract, the Contractor expressly agrees to waive any rights to invoke the…
  • DFARS 252.234-7002 Earned Value Management System.
    …guidelines in ANSI/EIA-748. (e) The Contractor shall submit notification of any proposed substantive changes to the EVMS procedures and the impact of those changes to the CFA. If this contract has a value of $50 million or more, unless a w…

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.