CFR›Title 10›Chapter II›Part 431›Subpart R›Subject Group Test Procedures ContainsSections 431.303–431.305CorpusDaily eCFRDisplayed edition2026-07-23Last updated2026-07-23 Sections 431.303 § 431.303 Materials incorporated by reference. 431.304 § 431.304 Uniform test method for the measurement of energy consumption of walk-in coolers and walk-in freezers. 431.305 § 431.305 Walk-in cooler and walk-in freezer labeling requirements. Previous Energy Conservation Standards Energy Conservation Standards