Title 19 — Customs Duties
- Ch. I U.s. Customs and Border Protection, Department of Homeland Security; Department of the Treasury §§0.1 to 192.14
- Ch. II United States International Trade Commission §§200.735-101 to 220.15
- Ch. III International Trade Administration, Department of Commerce §§351.101 to 362.104
- Ch. IV U.s. Immigration and Customs Enforcement, Department of Homeland Security [reserved]