"Why Join the PCC" Letter

Please see this attached template that the Greater Baltimore PCC created on the benefits of joining the PCC. This document explains how Postal and the Industry collaborate to achieve greatness. 

Mailers' Technical Advisory Committee (MTAC) User Group Guidelines

This document provides guidelines for MTAC user groups. The purpose of a User Group is to serve as an ongoing forum for the Postal Service and users of a particular postal product or process.

Mailers' Technical Advisory Committee (MTAC) Task Team Guidelines

An MTAC Task Team is comprised of industry and postal participants who are focused on a clearly defined ask with a strict deadline. This document provides guidelines for Task Teams.

PostalOne! R47.0.0.0 Pre-Release Notes-Change 1.1

January Pre-release notes. Change 1.1.

Mail.dat Validations R47 (PDF Version)

Postal Service eDoc Error Codes

Mail.dat Validations R47 (Excel Version)

Mail.dat error codes

Mail.dat Technical Specifications R47 V3

Version 3 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! system.

PostalOne! Release 46.0.1.1 Release Notes - Change 1.0

PostalOne! R46.0.1.0 Release Notes - Chg1.0

Address Information System (AIS) Area District Record Description

File layout for Address Information System (AIS) area district record descriptions.

PostalOne! Pre-Release 46.0.1.0 Release Notes - Change 1.0

PostalOne! R47.0.0.0 Pre-Release Notes Change 1.0

January pre-release notes. Change 1.

EPS Release Notes 3.0 - Change 1.1

PostalOne! Release 46.0.0.0 Release Notes - Change 2.2

Guide to Postage Assessment

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

Postal Service Mail.dat Tech Specs Version 2 Release 46

PostalOne! Release 46.0.0.0 Pre-Release Notes - Change 2.1

PostalOne! Release 46.0.0.0 Pre-Release Notes - Change 2.0

EPS Pre-Release Notes 3.0.0.0

CASS™ Cycle N Disclaimer for Stage 1 file processed with SHA 256 static data

CASS™ Cycle N - Stage 1 file processed with SHA 256 data

PostalOne! System Release R46.0.0.0 Pre Release Notes - Change 1.0

Hurricane Information

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

Postal Service Mail.xml Technical Specifications

L607 3-Digit ZIP Code Sort Option for Drop-Ship Mailers

L607 lists the 5-digit ZIP Codes for machinable parcels eligible to be entered at designated SCFs when sorted into 3-digit containers. The corresponding rate eligibility and mail preparation standards are described in 456.2.2, 466.4.1, and 466.4.2.