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 “Government-owned or -leased facilities or vehicles”

  • FAR 23.406 Contract clauses.
    …ironmental Management Systems, in solicitations and contracts for contractor operation of Government-owned or -leased facilities or vehicles located in the United States if an agency uses an EMS and contractor activities affect aspects of t…
  • FAR 23.404 Environmental management systems.
    …nd progress toward E.O. 14057 goals. If an agency uses an EMS for contractor operation of Government-owned or -leased facilities or vehicles, and contractor activities affect the agency's environmental management aspects— (a) EMS requireme…

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.