Mailing Standards of the United States Postal Service
Domestic Mail Manual

Transmittal Letter Summary of Changes 100 Retail Mail Letters, Cards, Flats, and Parcels 101 Physical Standards 110 Retail Mail Priority Mail Express 120 Retail Mail Priority Mail 130 Retail Mail First-Class Mail 140 Standard Mail Flats Every Door Direct Mail-Retail (EDDM-Retail) 150 Retail Mail USPS Retail Ground 170 Retail Mail Media Mail and Library Mail 200 Commercial Letters, Flats, and Parcels Design Standards 201 Physical Standards 210 Commercial Mail Priority Mail Express 220 Commercial Mail Priority Mail 230 Commercial Mail First-Class Mail 240 Commercial Mail Standard Mail 250 Commercial Mail Parcel Select 260 Commercial Mail Bound Printed Matter 270 Commercial Mail Media Mail and Library Mail 280 Commercial Mail First-Class Package Service

500 Additional Services 503 Extra and Additional Services 505 Return Services 507 Mailer Services 508 Recipient Services 509 Other Services 600 Basic Standards For All Mailing Services 601 Mailability 602 Addressing 604 Postage Payment Methods and Refunds 607 Mailer Compliance and Appeals of Classification Decisions 608 Postal Information and Resources 609 Filing Indemnity Claims for Loss or Damage 700 Special Standards 703 Nonprofit Standard Mail and Other Unique Eligibility 705 Advanced Preparation and Special Postage Payment Systems 708Technical Specifications 709 Negotiated Service Agreements Index Forms Glossary Price List (Notice 123)