Tech Guides
10/27/2017
Guide to Postage Assessment

For postage assessment information please see the attached guide to Streamlined Mail Acceptance for Letters and Flats.

 

Technical Specifications
10/22/2017
Postal Service Mail.dat Tech Specs Version 2 Release 46
Release Notes
10/20/2017
PostalOne! Release 46.0.0.0 Pre-Release Notes - Change 2.1
Release Notes
10/20/2017
PostalOne! Release 46.0.0.0 Pre-Release Notes - Change 2.0
Release Notes
10/19/2017
EPS Pre-Release Notes 3.0.0.0
Fact Sheets
10/11/2017
CASS™ Cycle N Disclaimer for Stage 1 file processed with SHA 256 static data
Data Files
10/10/2017
CASS™ Cycle N - Stage 1 file processed with SHA 256 data
Release Notes
10/05/2017
PostalOne! System Release R46.0.0.0 Pre Release Notes - Change 1.0
Announcements
10/03/2017
Hurricane Information

For updates of operations please follow this link to USPS Service Alerts

 

 

Tech Guides
10/02/2017
Postal Service Mail.xml Technical Specifications