Regulations last checked for updates: Feb 01, 2026

Title 19 - Customs Duties last revised: Jan 22, 2026
authority: 19 U.S.C. 66,1496,1498,1624. The provisions of this part, except for subpart C, are also issued under 19 U.S.C. 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States)
source: T.D. 73-27, 38 FR 2449, Jan. 26, 1973, unless otherwise noted.