Announcements
06/11/2007
DPV® License Responsibilities Letter

If you sublicense your CASS™ Certified address matching software to a third party for their use to create their own customized product, their compliance with the DPV license terms and conditions remain your responsibility.

Announcements
05/01/2007
LACSLink® Licensee Performance Requirements Updates

This document provides updates and realease information on LACSLink® lincensee performance requirements.

Quick Service Guides
10/06/2006
DPV®, DSF2®, CASS™ Grading Requirements

This document contains grading requirements for DPV®, DSF2®, and CASS™ products.

Tech Guides
05/01/2006
Z4 Info File Layout

This data file presents a table of codes for primary and secondary numbers to describe Z4Info files.

User Guides
03/08/2006
USPS-LR-L-61

This study provides comprehensive information on the volume, characteristics, and costs of Undeliverable-As-Addressed (UAA) and Personal-KnowledgeRequired (PKR) mail and on addressing deficiencies by rate category and applicable mail processing category.