Title 22, Foreign Relations and IntercourseRelease 119-102

§454 Unlawful Use of the American Flag by Vessel of Foreign State

Title 22 › CHAPTER 9 — FOREIGN WARS, WAR MATERIALS, AND NEUTRALITY › SUBCHAPTER II — NEUTRALITY › § 454

Last updated Aug 21, 2026|Official source

Summary

Foreign ships must not display the U.S. flag or markings that make them appear American. If they do, they are barred from U.S. ports and waters for three months, except in emergencies.

Full Legal Text

Title 22, §454

Foreign Relations and Intercourse, Source: USLM XML via OLRC

(a)It shall be unlawful for any vessel belonging to or operating under the jurisdiction of any foreign state to use the flag of the United States thereon, or to make use of any distinctive signs or markings, indicating that the same is an American vessel.
(b)Any vessel violating the provisions of subsection (a) of this section shall be denied for a period of three months the right to enter the ports or territorial waters of the United States except in cases of force majeure.

Reference

Citations & Metadata

Citation

22 U.S.C. § 454

Title 22, Foreign Relations and Intercourse

Last Updated

Aug 21, 2026

Release point: 119-102