19 CFR 148.21 : Customs Duties (§ 0.1 To Parts 400-599) — (§ 141.0 To Parts 193-199) — U.S. Customs And Border Protection, Department Of Homeland Security; Department Of The Treasury (Continued) (§ 141.0 To Parts 193-199) — Personal Declarations And Exemptions (§ 148.0 To § 148.116) — Examination Of Baggage And Collection Of Duties And Taxes (§ 148.21 To § 148.27) — Opening of baggage, compartments, or vehicles.