Announcements
07/24/2026
INFORMATIONAL: Domestic HAZMAT Handling and Noncompliance Fees USPS Returns Update
Announcements
07/24/2026
DELIVERY - Camp Sherman Post Office (97730) Resume Operations
Announcements
07/24/2026
DELIVERY - Nespelem Post Office (99155) Resume Operations
Announcements
07/24/2026
INFORMATIONAL - Commercial System Release – July 30, 2026
Release Notes
07/24/2026
January 2027 Release Overview
Release Notes
07/24/2026
PTR2 Release Notes_DD_07_25_26
Announcements
07/24/2026
DELIVERY - Beverly Post Office (99321) Temporarily Closed
Data Files
07/24/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Development Tracker

This document provides a list of active IV-MTR work to be as well as items completed in FY25.

 

*Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.

Release Notes
07/24/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Contact Lists
07/24/2026
Mail Service Provider (MSP) - Full-Service Certified Mailers

A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet

 

Release Notes
07/23/2026
PTR2 Release Notes_DD_07_23_26
Presentations
07/23/2026
PCCAC Certification Webinar- Mailpiece Design Overview with Michael Conley

 

https://usps.zoomgov.com/rec/share/CJQ3QBsk2jWBNdlDfokTt3Jff8hE5Weooar9FzmAEqPrgkF4DypEHxVORWjFPSaJ.NgMWY_cJabT_zsVn

Passcode: or=C16eP

Announcements
07/23/2026
DELIVERY - Roy Miller Post office (78405) – Temporarily Suspended
Announcements
07/23/2026
DELIVERY - Camp Sherman Post Office - Temporarily Closed
Announcements
07/23/2026
INFORMATIONAL - Duplicate Refunds Reversal
Contact Lists
07/23/2026
CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

This document outlines the CASS/MASS certified vendors list for RDI™ Cycle O.

Contact Lists
07/23/2026
CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: M L O C R Service Bureaus Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Data File Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: Z4CHANGE Data File Cycle O - (Expires July 31, 2028)
Contact Lists
07/23/2026
CASS™ Certified Products Guide: Z4CHANGE Cycle O - (Expires July 31, 2028)