CFR›Title 40›Chapter I›Part 272›Subpart WW ContainsSection 272.2400CorpusDaily eCFRDisplayed edition2026-06-15Last updated2026-06-15 Subpart WW—Washington Sections 272.2400-272.2449 §§ 272.2400-272.2449 [Reserved] Previous W Subpart W—Massachusetts Next X Subpart X—Michigan