General Information on Postal Service
39 CFR Subchapter C - POST OFFICE SERVICES [DOMESTIC MAIL]
- PART 111 - GENERAL INFORMATION ON POSTAL SERVICE (§§ 111.1 - 111.5)
- PART 113 - HAZARDOUS, RESTRICTED, AND PERISHABLE MAIL (§§ 113.1 - 113.2)
- PART 121 - SERVICE STANDARDS FOR MARKET-DOMINANT MAIL PRODUCTS (§§ 121.1 - 121.4)
- PART 122 - SERVICE STANDARDS FOR MARKET-DOMINANT SPECIAL SERVICES PRODUCTS (§§ 122.1 - 122.2)