Regulations last checked for updates: Jul 22, 2026

Title 19 - Customs Duties last revised: Jun 24, 2026
authority: Section 145.4 also issued under 18 U.S.C. 545,19.S.C. 1618;
source: T.D. 73-135, 38 FR 13369, May 21, 1973, unless otherwise noted.