CHAPTER 36—POSTAL RATES, CLASSES, AND SERVICES (§§ 3621—3691)
- SUBCHAPTER I—PROVISIONS RELATING TO MARKET-DOMINANT PRODUCTS (§§ 3621—3629)
- SUBCHAPTER II—PROVISIONS RELATING TO COMPETITIVE PRODUCTS (§§ 3631—3634)
- SUBCHAPTER III—PROVISIONS RELATING TO EXPERIMENTAL AND NEW PRODUCTS (§§ 3641—3642)
- SUBCHAPTER IV—REPORTING REQUIREMENTS AND RELATED PROVISIONS (§§ 3651—3654)
- SUBCHAPTER V—POSTAL SERVICES, COMPLAINTS, AND JUDICIAL REVIEW (§§ 3661—3664)
- SUBCHAPTER VI—GENERAL (§§ 3681—3686)
- SUBCHAPTER VII—MODERN SERVICE STANDARDS (§ 3691)