CFR›Title 31 ContainsSubtitles A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subtitles A Subtitle A—Office of the Secretary of the Treasury Parts 0–50 B Subtitle B—Regulations Relating to Money and Finance Chapters I–II; Chapters IV–X Previous 30 Title 30—Mineral Resources Next 32 Title 32—National Defense