Tech Guides
10/16/2024
MASS™ Technical Guide for Cycle O

This document provides a technical guide for MASS™ Cycle O. MASS™ is an extension of the CASS™ system.

Tech Guides
10/16/2024
MASS™ Technical Guide for Cycle O

This document provides a technical guide for MASS™ Cycle O. MASS™ is an extension of the CASS™ system.

Tech Guides
02/21/2018
MASS™ Technical Guide for Cycle N

This document provides a technical guide for MASS™ Cycle N. MASS™ is an extension of the CASS™ system.

Tech Guides
02/21/2018
MASS™ Technical Guide for Cycle N

This document provides a technical guide for MASS™ Cycle N. MASS™ is an extension of the CASS™ system.

Tech Guides
02/16/2018
CASS™ Technical Guide for Cycle N

This document provides a technical guide for the CASS™ product. The CASS™ certification process is designed in cooperation with the mailing industry to improve the accuracy of addresses for mail qualifying for postal discounts.

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.

Tech Guides
04/28/2005