Program Requirements
10/26/2021
2022 Emerging and Advanced Technology Guidebook and Requirements

Please see the newly updated 2022 Emerging Tech Program Requirements below.

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User Guides
10/26/2021
How to Submit Mail.XML Jobs to PostalOne!®

This guide provides step‐by‐step instructions for submitting electronic mailing information into the USPS® for Full‐Service letters & flats.

User Guides
10/26/2021
How to Submit Mail.dat Jobs to PostalOne!®

This document is a comprehensive guide that outlines steps for exchanging electronic data with the PostalOne!® system using the Mail.dat file format.

Announcements
10/25/2021
Publications
10/25/2021
Release Notes
10/25/2021
January 2022 Release Overview

This document describes information for changes under review for the next structural implementation. This document is prepared and based on the knowledge available at the time of its printing and any direction found herein is subject to change prior to the release. The contents of this document are pre-decisional, and subject to change based on Board of Governors and Postal Regulatory Commission decision.