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01/21/2026
Publication 205 eVS Electronic Verification System Pre-certified

Software certified for mailers to use eVS for parcel shipping:

*Precertified for file format.

*Precertified for labels. 

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01/20/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
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01/20/2026
DSF2® Licensees

This document contains a list of DSF2® licensed providers with contact information.

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01/20/2026
DPV® Licensees

This document provides a contact list of licensees for DPV®.

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01/16/2026
Presort Accuracy, Validation, and Evaluation (PAVE™) Certified Products List

This document provides a listing of all PAVE™ certified products.

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01/15/2026
CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)
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01/15/2026
RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

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

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01/15/2026
CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)
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01/15/2026
CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)
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01/15/2026
CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)