FAR and DFARS › DFARS Part 223: Environment, Sustainable Acquisition, and Material Safety › Subpart 223.5

DFARS 223.501 Policy.

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.

The text

[Reserved]

← 223.370-5 Contract clauses. · 223.501-70 Disclosure of greenhouse gas emissions. →

Rule changes for DFARS Part 223

Defense Federal Acquisition Regulation Supplement: Disclosure of Greenhouse Gas Emissions (DFARS Case 2024-D021) ↗ · final rule 2026-05-07 · effective 2026-05-07
Defense Federal Acquisition Regulation Supplement: Sustainable Procurement (DFARS Case 2024-D024) ↗ · final rule 2024-08-15 · effective 2024-08-15
Defense Federal Acquisition Regulation Supplement: Replacement of Fluorinated Aqueous Film-Forming Foam (DFARS Case 2020-D011) ↗ · final rule 2024-03-26 · effective 2024-03-26

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.