User Guides
01/01/2009
01/01/2009
Intelligent Mail® Barcode Technical Resource Guide
This document contains the technical guide for Intelligent Mail® Barcode.
User Guides
03/15/2008
03/15/2008
Guidelines for Trademark Use in Advertising
This document provides a user guide for Trademark Use in Advertising.
User Guides
03/08/2006
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.
User Guides
PCC Membership Best Practices Guide
This PCC Membership Drive Best Practice Guide aims to equip PCCs with proven best practices to host successful membership drives.
Last Updated July 2026
User Guides