---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "chIII/subchD"
level: "subchap"
label: "Subchapter D"
heading: "Special Rules of Practice for Specific Proceeding Types"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/39/chIII-subchD"
sections_count: 63
---

# Subchapter D — Special Rules of Practice for Specific Proceeding Types

Title 39 C.F.R. — Postal Service › Chapter III — Postal Regulatory Commission

## Contents

- [Part 3020 — Rules Applicable to Postal Service Requests for Changes in the Nature of Postal Services](/cfr/39/chIII-subchD-part3020.md)
- [Part 3021 — Rules for Appeals of Postal Service Determinations to Close or Consolidate Post Offices](/cfr/39/chIII-subchD-part3021.md)
- [Part 3022 — Rules for Complaints](/cfr/39/chIII-subchD-part3022.md)
- [Part 3023 — Rules for Rate or Service Inquiries](/cfr/39/chIII-subchD-part3023.md)
- [Part 3024 — SPECIAL RULES FOR COMPLAINTS ALLEGING VIOLATIONS OF 39 U.S.C. 404a](/cfr/39/chIII-subchD-part3024.md)
- [Part 3025 — Procedures Related to Commission Views Submitted to the Secretary of State](/cfr/39/chIII-subchD-part3025.md)