---
identifier: "/us/cfr/t19/s4.51"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "19 CFR § 4.51 - Reporting requirements for individuals arriving by vessel."
title_number: 19
title_name: "Customs Duties"
section_number: "4.51"
section_name: "Reporting requirements for individuals arriving by vessel."
chapter_name: "U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY"
part_number: "4"
part_name: "VESSELS IN FOREIGN AND DOMESTIC TRADES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 301; 19 U.S.C. 66, 1415, 1431, 1433, 1434, 1624, 2071 note; 46 U.S.C. 501, 60105."
regulatory_source: "28 FR 14596, Dec. 31, 1963, unless otherwise noted."
cfr_part: "4"
---
- Identifier
- /us/cfr/t19/s4.51
- Currency
- 2026-03-24
- Positive Law
- No
- Updated
- 2026-03-24
- Chapter
- U.S. Customs and Border Protection, Department of Homeland Security; Department of the Treasury
- Authority
- 5 U.S.C. 301; 19 U.S.C. 66, 1415, 1431, 1433, 1434, 1624, 2071 note; 46 U.S.C. 501, 60105.