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: · · ·

Clear

2 sections with “derivatives”

  • DFARS 252.225-7065 Restriction on Acquisition of Fuel for Overseas Contingency Operations.
    …. For an overseas contingency operation, DoD may not procure fuel in whole or in part, or derivatives of such fuel, that is sourced from nations or regions prohibited from selling petroleum to the United States. See Federal Acquisition Regu…
  • DFARS 225.7024-2 Prohibition.
    …ward, for an overseas contingency operation, a contract for fuel, in whole or in part, or derivatives of such fuel, that is sourced from nations or regions prohibited from selling petroleum to the United States. See FAR subpart 25.7 and 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.