---identifier: "/us/cfr/t19/s18.27"source: "ecfr"legal_status: "authoritative_unofficial"title: "19 CFR § 18.27 - Port marks."title_number: 19title_name: "Customs Duties"section_number: "18.27"section_name: "Port marks."chapter_name: "U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY"part_number: "18"part_name: "TRANSPORTATION IN BOND AND MERCHANDISE IN TRANSIT"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "5 U.S.C. 301; 19 U.S.C. 66, 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States), 1551, 1552, 1553, 1623, 1624; Section 18.1 also issued under 19 U.S.C. 1484, 1557, 1490; Section 18.2 also issued under 19 U.S.C. 1551a; Section 18.3 also issued under 19 U.S.C. 1565; Section 18.4 also issued under 19 U.S.C. 1322, 1323; Section 18.7 also issued under 19 U.S.C. 1490, 1557; 1646a; Section 18.11 also issued under 19 U.S.C. 1484; Section 18.12 also issued under 19 U.S.C. 1448, 1484, 1490; Section 18.13 also issued under 19 U.S.C. 1498(a); Section 18.14 also issued under 19 U.S.C. 1498. Section 18.25 also issued under 19 U.S.C. 1490. Section 18.26 also issued under 19 U.S.C. 1490. Section 18.31 also issued under 19 U.S.C. 1553a."regulatory_source: "CBP Dec. 17-13, 82 FR 45394, Sept. 28, 2017, unless otherwise noted."cfr_part: "18"---
Identifier
/us/cfr/t19/s18.27
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
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, 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States), 1551, 1552, 1553, 1623, 1624; Section 18.1 also issued under 19 U.S.C. 1484, 1557, 1490; Section ... 5 U.S.C. 301; 19 U.S.C. 66, 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States), 1551, 1552, 1553, 1623, 1624; Section 18.1 also issued under 19 U.S.C. 1484, 1557, 1490; Section 18.2 also issued under 19 U.S.C. 1551a; Section 18.3 also issued under 19 U.S.C. 1565; Section 18.4 also issued under 19 U.S.C. 1322, 1323; Section 18.7 also issued under 19 U.S.C. 1490, 1557; 1646a; Section 18.11 also issued under 19 U.S.C. 1484; Section 18.12 also issued under 19 U.S.C. 1448, 1484, 1490; Section 18.13 also issued under 19 U.S.C. 1498(a); Section 18.14 also issued under 19 U.S.C. 1498. Section 18.25 also issued under 19 U.S.C. 1490. Section 18.26 also issued under 19 U.S.C. 1490. Section 18.31 also issued under 19 U.S.C. 1553a.
# 18.27 Port marks.Port marks may be added by authority of the port director and under the supervision of a CBP officer. The original marks and the port marks must appear in all documentation or the electronic equivalent must appear in electronic records pertaining to the exportation.