22 USC § 406 - Interference with foreign trade

---
identifier: "/us/usc/t22/s406"
source: "usc"
legal_status: "official_prima_facie"
title: "22 USC § 406 - Interference with foreign trade"
title_number: 22
title_name: "FOREIGN RELATIONS AND INTERCOURSE"
section_number: "406"
section_name: "Interference with foreign trade"
chapter_number: 9
chapter_name: "FOREIGN WARS, WAR MATERIALS, AND NEUTRALITY"
subchapter_number: "I"
subchapter_name: "WAR MATERIALS"
positive_law: false
currency: "119-84"
last_updated: "2026-03-26"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(June 15, 1917, ch. 30, title VI, § 6, 40 Stat. 225.)"
---


# § 406. Interference with foreign trade

section 401 of this titleJune 15, 1917

Except in those cases in which the exportation of arms and munitions of war or other articles is forbidden by proclamation or otherwise by the President, as provided in , nothing herein contained shall be construed to extend to, or interfere with any trade in such commodities, conducted with any foreign port or place wheresoever, or with any other trade which might have been lawfully carried on before , under the law of nations, or under the treaties or conventions entered into by the United States, or under the laws thereof.

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**Source Credit**: (June 15, 1917, ch. 30, title VI, § 6, 40 Stat. 225.)

## Editorial Notes

### References in Text

Herein, referred to in text, means , , which enacted sections 31 to 39, 98, 130 to 133, 288, 343 to 346, 381, 502, 535, 536, 574, and 611 to 633 of former Title 18, Criminal Code and Criminal Procedure, sections 213, 231 to 233, 235, 401 to 408a, 462, and 465 of this title, and sections 30 to 42, former section 191, former sections 192 to 194, and , War and National Defense, and amended sections 25, 27, and 349 of former Title 18. For complete classification of this Act to the Code, see Tables.