Featured Updates

FAQs
12/21/2021
January 2022 - Release FAQ

Important information about upcoming January 2022 Release changes.

Updates
12/10/2021
Geospatial Information Systems (GIS)

USPS® Geospatial Information Systems [GIS]

Technical Specifications
12/01/2021
Labeling List Changes (December 2021)

Effective January 1, 2022, we are revising Labeling List(s) L009, L011, L012, L014, L015, L051, L201, L601, and L605 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings that are inducted on or after the January 1, 2022, effective date, but no later than February 28, 2022, expiration date. The changes will be published in the Postal Bulletin, Issue #22587.  

Fact Sheets
11/18/2021
CRID Management

Customer Registration ID (CRID) Overview.

Release Notes
10/25/2021
January 2022 Release Overview

This document describes information for changes under review for the next structural implementation.

User Guides
08/13/2021
Balance Check in the Customer Validation Tool Instructions

On August 15, 2021, USPS will enable the ability for MSPs to perform a balance check for EPS and Local Trust accounts at the permit level.

Fact Sheets
07/16/2021
Enterprise Payment System Account Creation Fact Sheet

This fact sheet has been updated to remind customers to ensure that any maximum spending limits established by your financial institution are sufficient to cover all potential postage and fees.

Publications
01/10/2018
Publication for Streamlined Mail Acceptance for Letters and Flats (Pub 685)

Streamlined Mail Acceptance for Letters and Flats (Pub 685) contains the policies and processes for the verification of eligible business mailings using tools provided by Intelligent Mail® Full-Service, eInduction, and Seamless Acceptance.

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Latest Updates

Data Files
01/20/2022
Early Warning System (EWS002C0.ZIP)

This document contains the Early Warning System data file for the CASS™ and MASS™ certification process.

Contact Lists
01/20/2022
DPV® Licensees Current Cycle: Certified Products Guide

This document contains the CASS™/MASS™ certified vendors list for DPV® Licensees Current Cycle.

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PostalOne! Contingency Plan

Learn what to do in the event a system outage prevents you from submitting your mailing information electronically.

USPS Service Alerts

Receive near real-time notifications about postal facility service disruptions due to weather-related outages and other natural disasters or events.

Stay Informed About Postal Policy

Updated daily, the Federal Register Notices offer detailed information regarding official USPS policy and regulatory changes.

Intelligent Mail: Featured Resources

Card image cap
Publication for Streamlined Mail Acceptance for Letters and Flats (Pub 685)

Streamlined Mail Acceptance for Letters and Flats (Pub 685) contains the policies and processes for the verification of eligible business mailings using tools provided by Intelligent Mail® Full-Service, eInduction, and Seamless Acceptance.

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