Chapter III - POSTAL REGULATORY COMMISSION
- Subchapter A - THE COMMISSION (§§ 3000.101 — 3001)
- Subchapter B - SEEKING INFORMATION FROM THE COMMISSION (§§ 3005.101 — 3007.100)
- Subchapter C - GENERAL RULES OF PRACTICE FOR PROCEEDINGS BEFORE THE COMMISSION (§§ 3010.100 — 3013)
- Subchapter D - SPECIAL RULES OF PRACTICE FOR SPECIFIC PROCEEDING TYPES (§§ 3020 — 3025.105)
- Subchapter E - REGULATIONS GOVERNING MARKET DOMINANT PRODUCTS, COMPETITIVE PRODUCTS, PRODUCT LISTS, AND MARKET TESTS (§§ 3030.100 — 3045.20)
- Subchapter F - PERIODIC REPORTING, ACCOUNTING PRACTICES, AND TAX RULES (§§ 3050.1 — 3065.3)