---
kind: "section"
citation: "10 U.S.C. § 405"
title: "10"
title_heading: "Armed Forces"
number: "405"
heading: "Use of Department of Defense funds for United States share of costs of United Nations peacekeeping activities: limitation"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/10/405"
units:
  - "Subtitle A — General Military Law"
  - "Part I — Organization and General Military Powers"
  - "Chapter 20 — Humanitarian and Other Assistance"
---

# §405. Use of Department of Defense funds for United States share of costs of United Nations peacekeeping activities: limitation

- (a) **Prohibition on Use of Funds.—** Funds available to the [Department](/usc/10/101.md?p=a-6) of Defense may not be used to make a financial contribution (directly or through another [department](/usc/10/101.md?p=a-6) or [agency](/usc/10/3451.md?p=3) of the [United States](/usc/10/101.md?p=a-1)) to the United Nations—
  - (1) for the costs of a United Nations peacekeeping activity; or
  - (2) for any [United States](/usc/10/101.md?p=a-1) arrearage to the United Nations.
- (b) **Application of Prohibition.—** The prohibition in [subsection (a)](#a) applies to voluntary contributions, as well as to contributions pursuant to assessment by the United Nations for the [United States](/usc/10/101.md?p=a-1) share of the costs of a peacekeeping activity.

## Source credit

(Added Pub. L. 104–106, div. A, title XIII, § 1301(a), Feb. 10, 1996, 110 Stat. 473.)

## Notes

### Editorial Notes

### Prior Provisions

A prior section 405 was renumbered section 401(e) of this title.

### Statutory Notes and Related Subsidiaries

### Use of Department of Defense Funds for United Nations Forces

Pub. L. 105–261, div. A, title XII, § 1231(b), Oct. 17, 1998, 112 Stat. 2155, provided that: “No funds available to the Department of Defense may be used— for a monetary contribution to the United Nations for the establishment of a standing international force under the United Nations; or to assign or detail any member of the Armed Forces to duty with a United Nations Stand By Force.”