CFR›Title 48›Chapter 9›Part 923›Subpart 923.4 ContainsSection 923.404CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart 923.4—Contractor Compliance With Environmental Management Systems Sections 923.404 923.404 Contract clause. Previous 923.1 Subpart 923.1—Sustainable Acquisition Next 923.70 Subpart 923.70—Environmental, Energy and Water Efficiency, Renewable Energy Technologies, and Occupational Safety Programs