CFR›Title 10›Chapter II›Part 431›Subpart I›Subject Group Energy Conservation Standards ContainsSection 431.156CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 431.156 § 431.156 Energy and water conservation standards and effective dates. Previous 431.152 § 431.152 Definitions concerning commercial clothes washers. Next Test Procedures Test Procedures