FAR and DFARS › DFARS Part 223: Environment, Sustainable Acquisition, and Material Safety › Subpart 223.73
DFARS 223.7300 Definition.
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
Legacy system, as used in this subpart, means any program that has passed Milestone A in the defense acquisition management system, as defined in DoD Instruction 5000.02.
← 223.7203 Contract clause. · 223.7301 Policy. →
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.