CFR›Title 31›Subtitle B›Chapter V›Part 539›Subpart A ContainsSection 539.101CorpusDaily eCFRDisplayed edition2026-04-28Last updated2026-04-28 Subpart A—Relation of This Part to Other Laws and Regulations Sections 539.101 § 539.101 Relation of this part to other laws and regulations. Next B Subpart B—Prohibitions