---
kind: "unit"
title: "19"
title_heading: "Customs Duties"
key: "ch7/schII/ptI"
level: "part"
label: "Part I"
heading: "General Authority"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/19/ch7-schII-ptI"
sections_count: 3
---

# Part I — General Authority

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

## Sections

- [§1821. Basic authority for trade agreements](/usc/19/1821.md)
- [§1822. Repealed.](/usc/19/1822.md)
- [§1823. Waiver of limitation on decrease in duty and negotiation and staging requirements for dicyandiamide and limestone](/usc/19/1823.md)