---
kind: "unit"
title: "19"
title_heading: "Customs Duties"
key: "ch21/schV/ptB"
level: "part"
label: "Part B"
heading: "Implementation of NAFTA Supplemental Agreements"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/19/ch21-schV-ptB"
sections_count: 3
---

# Part B — Implementation of NAFTA Supplemental Agreements

Title 19 — Customs Duties › Chapter 21 — North American Free Trade › Subchapter V — Miscellaneous Provisions

## Sections

- [§3471. Repealed.](/usc/19/3471.md)
- [§3472. Agreement on Environmental Cooperation](/usc/19/3472.md)
- [§3473. Agreement on Border Environment Cooperation Commission](/usc/19/3473.md)