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.

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5 sections with “cancellation dates”

  • FAR 17.106-1 General.
    … and profit objectives commensurate with contractor risk and financing arrangements. (c) Cancellation procedures. (1) All program years except the first are subject to cancellation. For each program year subject to cancellation, the contra…
  • FAR 17.106-2 Solicitations.
    …d cost and fee shall consider only the first year. (d) A provision specifying a separate cancellation ceiling (on a percentage or dollar basis) and dates applicable to each program year subject to a cancellation (see 17.106-1 (c) and (d)).…
  • FAR 5.207 Preparation and transmittal of synopses.
    …s://www.sam.gov to identify services or supplies in synopses. (f) Notice of solicitation cancellation. Contracting officers may publish notices of solicitation cancellations (or indefinite suspensions) of proposed contract actions in the G…
  • FAR 42.1701 Procedures.
    …ystematic monitoring to ensure the validity of the rates. The agreement shall provide for cancellation at the option of either party and shall require the contractor to submit to the ACO and to the cognizant contract auditor any significant…
  • FAR 52.222-27 Affirmative Action Compliance Requirements for Construction.
    …f this clause and of the Equal Opportunity clause, including suspension, termination, and cancellation of existing subcontracts, as may be imposed or ordered under Executive Order 11246, as amended, and its implementing regulations, by the …

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.