CFR›Title 17 ContainsChapters I–II; Chapter IVCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Chapters I Chapter I—Commodity Futures Trading Commission Parts 1–199 II Chapter II—Securities and Exchange Commission Parts 200–399 IV Chapter IV—Department of the Treasury Parts 400–499 Previous 16 Title 16—Commercial Practices Next 18 Title 18—Conservation of Power and Water Resources