---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "chI/subchB/part20"
level: "part"
label: "Part 20"
heading: "International Postal Service"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/39/chI-subchB-part20"
sections_count: 5
---

# Part 20 — International Postal Service

Title 39 C.F.R. — Postal Service › Chapter I — United States Postal Service › Subchapter B — International Mail

## Sections

- [§20.1. Incorporation by reference; Mailing Standards of the United States Postal Service, International Mail Manual.](/cfr/39/20.1.md)
- [§20.2. Effective date of the International Mail Manual.](/cfr/39/20.2.md)
- [§20.3. Reserved](/cfr/39/20.3.md)
- [§20.4. Amendments to the International Mail Manual.](/cfr/39/20.4.md)
- [§20.5. Reserved](/cfr/39/20.5.md)