Contact Lists
07/16/2026
DPV® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)
Contact Lists
07/16/2026
CASS™ Software Manufacturers Data File Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)
Contact Lists
07/16/2026
CASS™ Software Manufacturers Cycle O - (Expires July 31, 2028)
Contact Lists
07/16/2026
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.

Applications/ Forms
07/16/2026
Mail Processing Equipment (MPE) Data User License Agreement

This agreement licenses the use of the NCOALink Product with Mail Processing Equipment.

Announcements
07/16/2026
Modifications to NCOALink® MPE Licenses and Supporting Documents (7/14/2025)

This document provides information on licenses and supporting documents for Mail Processing Equipment for NCOALink®.

Applications/ Forms
07/16/2026
MPE Developer License

This agreement licenses the development of software interfaces for the NCOALink® Mail Processing Equipment. 

Applications/ Forms
07/16/2026
DPV® License Agreement

This document contains the License Agreement for DPV®.

Applications/ Forms
07/16/2026
MPE Interface Distribution License Agreement

This agreement governs the distribution of licensee's certified NCOALink® mail processing equipment software interface.

Data Files
07/16/2026
Z4 Info File

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