CFR›Title 40›Chapter I›Part 272›Subpart W ContainsSection 272.1100CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart W—Massachusetts Sections 272.1100-272.1149 §§ 272.1100-272.1149 [Reserved] Previous VV Subpart VV—Virginia Next WW Subpart WW—Washington