---
kind: "unit"
title: "50"
title_heading: "War and National Defense"
key: "ch4"
level: "chapter"
label: "Chapter 4"
heading: "Espionage"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/50/ch4"
sections_count: 4
---

# Chapter 4 — Espionage

Title 50 — War and National Defense

## Sections

- [§31...39. Repealed.](/usc/50/31...39.md)
- [§40. Transferred](/usc/50/40.md)
- [§41. Repealed.](/usc/50/41.md)
- [§42. Transferred](/usc/50/42.md)