03/12/2026
03/03/2026
Ancillary Service Endorsement Fact Sheet
Ancillary service endorsements are used by mailers to request an addressee’s new address or the reason mail cannot be
delivered as addressed and to provide the US Postal Service with instructions on how to handle Undeliverable As Addressed
(UAA) mailpieces.
02/12/2026
Manifest Mailing Systems Retirement Fact Sheet
The USPS is amending Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) subsection 703.2.0 to retire the manifest mailing system (MMS). Effective April 1, 2026.
12/18/2025
Addressing Fact Sheet for First-Class Flats
This document is for mailers who are sending flat-size mail (such as large envelopes) at Automation and Presorted First-Class Mail prices. To use these prices, you must mail at least 500 pieces at a time, prepared and sorted according to Postal Service guidelines.
12/16/2025
Addressing Fact Sheet for USPS Marketing Mail Flats
This document is for business mailers who are sending flat-size USPS Marketing Mail (such as large envelopes, catalogs, and circulars). To use the USPS Marketing Mail prices, you must send at least 200 pieces or 50 pounds of mail at a time, prepared and sorted according to Postal Service guidelines.
11/12/2025
USPS Ship Package Data Feeds
This document outlines the steps for shippers to access package data feeds through the USPS Informed Visibility Mail Tracking & Reporting (IV-MTR) application.
10/08/2025
09/24/2025
Mailpiece Design Analyst (MDA) Customer Service Help Desk Brochure
An overview brochure for the MDA Customer Service Help Desk, including services, benefits, and contact information.
09/12/2025
08/26/2025
08/20/2025
07/17/2025
Licensing Fees
This document contains information about licensing fees for USPS® Licensed Products.
07/13/2025
Address Information System (AIS) Products Pricing
Pricing guide for Address Information System (AIS) products, including Carrier Route, ZIP + 4®, Five-Digit ZIP®, City State, Delivery Statistics, Z4Change, ZIPMove, eLOT®, and RDI™.
07/08/2025
07/07/2025
About Mailers' Technical Advisory Committee (MTAC) User Group 2
This document provides a brief description of MTAC User Group 2 for PTR and eVS/USPS Ship and provides a contact for joining the group.
07/07/2025
07/07/2025
Intelligent Mail Tray Label Technical Fact Sheet
This document provides fact sheet providing technical specifications on the acquisition, implementation, and benefits of the Intelligent Mail Tray Label.
06/26/2025
About Mailers' Technical Advisory Committee (MTAC) User Group 4
This document provides a brief description of MTAC User Group 4 for mail visibility and provides a contact for requesting to join the group.
06/16/2025
05/23/2025
05/23/2025
SD Data Security Considerations and Comparisons Guidance
This document provides additional information on Secure Destruction and general information security.
05/13/2025
05/06/2025
eVS and USPS Ship Online Report and IV®-MTR Data Feed Comparison
eVS and USPS Ship Online Report and Informed Visibility® Mail Tracking & Reporting IV®-MTR Data Feed Comparison
04/14/2025
Mail Anywhere Fact Sheet
Mailers have the opportunity to use the same permit at any location via the Mail Anywhere program.
03/21/2025