---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "chIII"
level: "chapter"
label: "Chapter III"
heading: "Postal Regulatory Commission"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/39/chIII"
sections_count: 407
---

# Chapter III — Postal Regulatory Commission

Title 39 C.F.R. — Postal Service

## Contents

- [Subchapter A — The Commission](/cfr/39/chIII-subchA.md)
- [Subchapter B — Seeking Information from the Commission](/cfr/39/chIII-subchB.md)
- [Subchapter C — General Rules of Practice for Proceedings Before the Commission](/cfr/39/chIII-subchC.md)
- [Subchapter D — Special Rules of Practice for Specific Proceeding Types](/cfr/39/chIII-subchD.md)
- [Subchapter E — Regulations Governing Market Dominant Products, Competitive Products, Product Lists, and Market Tests](/cfr/39/chIII-subchE.md)
- [Subchapter F — Periodic Reporting, Accounting Practices, and Tax Rules](/cfr/39/chIII-subchF.md)