CFR›Title 31›Subtitle B›Chapter V›Part 501›Subpart B ContainsSection 501.301CorpusDaily eCFRDisplayed edition2026-04-28Last updated2026-04-28 Subpart B—Definitions Sections 501.301 § 501.301 Definitions. Previous Appendix A to Part 501 Appendix A to Part 501—Economic Sanctions Enforcement Guidelines. Next C Subpart C—Reports