USPS Resources
The following reference documents will help in planning for centralized mail delivery and contain important information about NEW Postal Regulations:
- STD-4C USPS Specification Overview
- STD-4C Federal Register Rules and Regulations
- USPS Approved Products
- Postal Bulletin 2007
- USPS Delivery Operations Growth Management 2007 Summary
- STD-4C Quick Product Reference
- STD-4C Accessibility Product Guide

