Contact Lists
03/13/2025
CASS™ Certified Products Guide: Vendor/Service Bureaus Licensees Cycle O - (Expires July 31, 2028)
Contact Lists
03/13/2025
CASS™ Certified Products Guide: DSF2® Licensees Data File Cycle O - (Expires July 31, 2028)
Contact Lists
03/13/2025
DSF2® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)
Contact Lists
03/13/2025
CASS™ Software Manufacturers Cycle O - (Expires July 31, 2028)
Contact Lists
03/13/2025
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.

Contact Lists
03/12/2025
Business Acceptance Solutions & Major Mailer Support Directory

This document provides a contact list for Business Acceptance Solutions (formerly Business Mailer Support) & Major Mailer Support

 

Tech Guides
03/11/2025
AI Demo for Informed Delivery Promotion
Announcements
03/11/2025
INFORMATIONAL: Commercial System Releases - March 16, 2025
Announcements
03/11/2025
Post Office/ZIP Code Entries for Postal Bulletin 3/20/2025

This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 3/20/2025.

Announcements
03/11/2025
PROCESSING AND DELIVERY: Normal Operations Have Resumed in Washington and Kentucky