27 CFR § 478.117 - Function outside a customs territory.

---
identifier: "/us/cfr/t27/s478.117"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "27 CFR § 478.117 - Function outside a customs territory."
title_number: 27
title_name: "Alcohol, Tobacco Products and Firearms"
section_number: "478.117"
section_name: "Function outside a customs territory."
chapter_name: "BUREAU OF ALCOHOL, TOBACCO, FIREARMS, AND EXPLOSIVES, DEPARTMENT OF JUSTICE"
subchapter_number: "B"
subchapter_name: "FIREARMS AND AMMUNITION"
part_number: "478"
part_name: "COMMERCE IN FIREARMS AND AMMUNITION"
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. 552(a); 18 U.S.C. 847, 921-931; 44 U.S.C. 3504(h)."
regulatory_source: "33 FR 18555, Dec. 14, 1968, unless otherwise noted. Redesignated at 40 FR 16835, Apr. 15, 1975, and further redesignated by T.D. ATF-487, 68 FR 3750, Jan. 24, 2003."
cfr_part: "478"
---


# 478.117 Function outside a customs territory.

In the insular possessions of the United States outside customs territory, the functions performed by U.S. Customs officers under this subpart within a customs territory may be performed by the appropriate authorities of a territorial government or other officers of the United States who have been designated to perform such functions. For the purpose of this subpart, the term customs territory means the United States, the District of Columbia, and the Commonwealth of Puerto Rico.