Applying for Access to Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

This presentation provides instructions for applying for access to the IV Mail Tracking & Reporting application (IV-MTR). The instructions include how to register for a Business Customer Gateway (BCG) account, add the IV-MTR service in the BCG, and how to sign in to the IV-MTR portal to begin using the service. 

Publication for Streamlined Mail Acceptance for Letters and Flats (Pub 685)

Streamlined Mail Acceptance for Letters and Flats (Pub 685) contains the policies and processes for the verification of eligible business mailings using tools provided by Intelligent Mail® Full-Service, eInduction, and Seamless Acceptance.

August 27, 2026 COP 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.

PTR2 Release Notes_DD_08_22_26

August 30 2026 FAST Release Notes

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

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

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

CASS™ Certified Products Guide: DSF2® Licensees Data File 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.

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