---
kind: "unit"
title: "50"
title_heading: "War and National Defense"
key: "ch15/schIV"
level: "subchapter"
label: "Subchapter IV"
heading: "Protection of Certain National Security Information"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/50/ch15-schIV"
sections_count: 6
---

# Subchapter IV — Protection of Certain National Security Information

Title 50 — War and National Defense › Chapter 15 — National Security

## Sections

- [§421. Transferred](/usc/50/421.md)
- [§422. Transferred](/usc/50/422.md)
- [§423. Transferred](/usc/50/423.md)
- [§424. Transferred](/usc/50/424.md)
- [§425. Transferred](/usc/50/425.md)
- [§426. Transferred](/usc/50/426.md)