INFORMATIONAL - Upcoming USPS.com Maintenance on September 19, 2026

August 27, 2026 COP Release Notes

August 30 2026 FAST Release Notes

Enterprise Payment System (EPS) Release Notes-August 30, 2026

On Sunday, August 30, 2026, the United States Postal Service will implement the following software change:
• Enterprise Payment System (EPS) 8.7.0.0
These Pre-Release Notes provide the contents of the release and affected subsystems.
The section titled Corrections to Known Issues is derived from External Trouble Reports (ETRs) for inclusion in this release.
This document is prepared based on the knowledge available at the time of its publication; any element of its contents is subject to change prior to the release.

PTR2 Release Notes_DD_08_22_26

USPS Speaker Topics for PCC Events

PCC Alert: NEW PCC Voice Challenge #PCCIndustrymember

INFORMATIONAL - Commercial System Release – August 23, 2026

CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)

RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

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

CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Service Bureaus Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: Z4CHANGE Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: Z4CHANGE Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: Vendor/Service Licensees Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: Vendor/Service Bureaus Licensees Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: DSF2® Licensees Data File Cycle O - (Expires July 31, 2028)

DSF2® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)

DPV® Licensees Data File Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

DPV® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)

CASS™ Software Manufacturers Data File Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

CASS™ Software Manufacturers Cycle O - (Expires July 31, 2028)

CASS™/MASS™ Certified Products Guide - All Sections Data Files Cycle O - (Expires July 31, 2028)

This document contains the certified vendors list for CASS™ and MASS™ products for Cycle O.

Z4 Info File

A downloadable ZIP file containing information related to the Z4 Info File

Early Warning System (EWS002C0.ZIP)

This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.

PCC Alert: PCC Education & Membership Virtual Training Dates

INFORMATIONAL - Lives Holiday Shipping Recommendations September 7, 2026

Provisioning EMAS API Invoices Data in Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

This guide provides instructions for receiving EMAS API Invoices data through the IV Mail Tracking & Reporting application.

INFORMATIONAL - Update – AIM Meeting Changed from Atlantic Area to All Areas

DELIVERY - International Service Suspension Notice - Effective August 21, 2026

PCC National Monthly Touchpoint (August)

https://usps.zoomgov.com/rec/share/mmHEzZ9KJ55JNSvvwYsQ7oqAC9pfUbej81JmcS2_SbkCyEwGN6xmM-zv77i4lODa.ErIaxuO6YeI_NjKV

Passcode: r23k++&k

DELIVERY: WestPac Area – NV-UT District - Sierra Post Office (89506) and Reno Post Office (89510) - Resume Operations

INFORMATIONAL: RESOLVED - Duplicate Refunds Reversal

INFORMATIONAL - Atlantic Area –Virtual AIM Meeting September 17th, 2026

Known Issues List 8.11.2026

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 the current fiscal year.

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

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.

Processing and Distribution - Updates To: USPS Modernization Through Package Equipment Upgrades in August 2026

INFORMATIONAL - RESOLVED - Business Customer Gateway Issues

Speakers Bureau List 7.0 – 8.17.26

***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)

City/State ZIP Code Weekly Compare

3 Digit ZIP/AISU Office List (AISUREPT.TXT)

AIS Congressional District File (CONG_DIST.TXT)

AIS County Name Table Layout (AISCNTY.TXT)

AMS County Name Table (COUNTY_NAME_TABLE.TXT)