Mailing Standards of the United States Postal Service Domestic Mail Manual

December 26, 2021

  Transmittal Letter

Summary of Changes

100 Retail Mail Letters, Cards, Flats, and Parcels
200 Commercial Letters, Flats, and Parcels Design Standards

500 Additional Services
600 Basic Standards For All Mailing Services
700 Special Standards

Index

Forms Glossary

Notice 123