U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 17, 2025

All TitlesTitle 39Chapter IPart 111 - PART 111—GENERAL INFORMATION ON POSTAL SERVICE
§ 111.1 - Incorporation by reference; Mailing Standards of the United States Postal Service, Domestic Mail Manual.
§ 111.2 - [Reserved]
§ 111.3 - Amendments to the Mailing Standards of the United States Postal Service, Domestic Mail Manual.
§§ 111.4-111.5 - §[Reserved]
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