CFR›Title 33 ContainsChapters I–II; Chapter IVCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Chapters I Chapter I—Coast Guard, Department of Homeland Security Parts 1–ECFR1a48483536b7c15 II Chapter II—Corps of Engineers, Department of the Army, Department of Defense Parts 200–399 IV Chapter IV—Great Lakes St. Lawrence Seaway Development Corporation, Department of Transportation Parts 400–499 Previous 32 Title 32—National Defense Next 34 Title 34—Education