---
kind: "unit"
title: "22"
title_heading: "Foreign Relations and Intercourse"
key: "ch9/schI"
level: "subchapter"
label: "Subchapter I"
heading: "War Materials"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/22/ch9-schI"
sections_count: 12
---

# Subchapter I — War Materials

Title 22 — Foreign Relations and Intercourse › Chapter 9 — Foreign Wars, War Materials, and Neutrality

## Sections

- [§401. Illegal exportation of war materials](/usc/22/401.md)
- [§402...405. Repealed.](/usc/22/402...405.md)
- [§406. Interference with foreign trade](/usc/22/406.md)
- [§407. Repealed.](/usc/22/407.md)
- [§408. Use of land and naval forces to prevent exportation](/usc/22/408.md)
- [§408a. “United States” defined](/usc/22/408a.md)
- [§410. Repealed.](/usc/22/410.md)
- [§411...419. Omitted](/usc/22/411...419.md)
- [§420. Repealed.](/usc/22/420.md)
- [§421. Contracts by Government agencies for defense articles, services, etc., for foreign governments in interests of United States](/usc/22/421.md)
- [§422. Retention for United States of defense articles procured for foreign governments](/usc/22/422.md)
- [§423. Omitted](/usc/22/423.md)