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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3 sections with “perfluoroalkyl”

  • DFARS 252.223-7009 Prohibition of Procurement of Fluorinated Fire-Fighting Agent for Use on Military Installations.
    …nt for Use on Military Installations (MAR 2024) (a) Definitions. As used in this clause, perfluoroalkyl substances and polyfluoroalkyl substances have the meanings given in section 322(f) of the National Defense Authorization Act for Fisca…
  • DFARS 223.7402 Prohibition.
    Do not procure any fire-fighting agent that contains in excess of one part per billion perfluoroalkyl substances or polyfluoroalkyl substances. Procurements of fire-fighting agent for use solely onboard ocean-going vessels are exempt from t…
  • DFARS 223.7403 Procedures.
    …racting officers shall not issue a solicitation for any fire-fighting agent that contains perfluoroalkyl or polyfluoroalkyl substances in excess of one part per billion, unless the requiring activity provides documentation of the exemption …

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.