Featured Updates
06/17/2025
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.
Recently Updated
02/06/2026
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.
02/06/2026
02/06/2026
02/06/2026
02/06/2026
USPS Ship Data Dictionary
Detailed information on the USPS Ship (Formerly Package Platform) data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application.
02/06/2026
02/06/2026
02/06/2026
Informed Visibility Mail Tracking & Reporting Machine Count
List of US Postal Service machines by site, including a description of each machine.
02/05/2026
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.
02/05/2026
Z4 Info File
A downloadable ZIP file containing information related to the Z4 Info File