CFR›Title 19›Chapter I›Part 181›19 CFR Part 181 Subpart A Citation19 CFR Part 181 Subpart AContainsSection § 181.1CorpusDaily eCFRDisplayed edition2026-10-23Last updated2026-10-23 Subpart A—General Provisions Sections § 181.1 § 181.1 Definitions. Authority19 U.S.C. 66, 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States), 1624, 3314; Subpart D of part 181 also issued under 19 U.S.C. 1520(d).SourceT.D. 95-68, 60 FR 46364, Sept. 6, 1995, unless otherwise noted.