CFR›Title 19›Chapter I›Part 181›Subpart A ContainsSection 181.1CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—General Provisions Sections 181.1 § 181.1 Definitions. Previous 181.0 § 181.0 Scope. Next Appendix to Part 181 Appendix to Part 181—Rules of Origin Regulations