---
kind: "unit"
title: "19"
title_heading: "Customs Duties"
key: "ch7/schII/ptIV"
level: "part"
label: "Part IV"
heading: "National Security"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/19/ch7-schII-ptIV"
sections_count: 4
---

# Part IV — National Security

Title 19 — Customs Duties › Chapter 7 — Trade Expansion Program › Subchapter II — Trade Agreements

## Sections

- [§1861. Repealed.](/usc/19/1861.md)
- [§1862. Safeguarding national security](/usc/19/1862.md)
- [§1863. Repealed.](/usc/19/1863.md)
- [§1864. Import sanctions for export violations](/usc/19/1864.md)