---
kind: "unit"
title: "50"
title_heading: "War and National Defense"
key: "ch36/schVI"
level: "subchapter"
label: "Subchapter VI"
heading: "Additional Procedures Regarding Certain Persons Outside the United States"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/50/ch36-schVI"
sections_count: 9
---

# Subchapter VI — Additional Procedures Regarding Certain Persons Outside the United States

Title 50 — War and National Defense › Chapter 36 — Foreign Intelligence Surveillance

## Sections

- [§1881. Definitions](/usc/50/1881.md)
- [§1881a. Procedures for targeting certain persons outside the United States other than United States persons](/usc/50/1881a.md)
- [§1881b. Certain acquisitions inside the United States targeting United States persons outside the United States](/usc/50/1881b.md)
- [§1881c. Other acquisitions targeting United States persons outside the United States](/usc/50/1881c.md)
- [§1881d. Joint applications and concurrent authorizations](/usc/50/1881d.md)
- [§1881e. Use of information acquired under this subchapter](/usc/50/1881e.md)
- [§1881f. Congressional oversight](/usc/50/1881f.md)
- [§1881g. Savings provision](/usc/50/1881g.md)
- [§1881h. Penalties for unauthorized disclosure](/usc/50/1881h.md)