Fact Sheets
10/21/2020
Seamless Acceptance FAQs (October 21, 2020)
Fact Sheets
10/15/2020
CASS™ and MASS™ Certified Products Guide Cycle: 2011-2020
Fact Sheets
10/06/2020
USPS COMMERCIAL PO BOX REDIRECT SERVICE FACT SHEET
Fact Sheets
10/02/2020
CASS™ Cycle O - Executive Summary
Fact Sheets
09/23/2020
Service Performance Measurement Fact Sheet

This document provides information for Service Performance Measurement.

Fact Sheets
09/11/2020
Customer Registration Identification (CRID) and Mailer Identifier (MID) Acquisition Fact Sheet

This document provides an overview of the methods customers can use to request a Mailer ID (MID) or Customer Registration ID (CRID) from the Postal Service.

Fact Sheets
09/10/2020
By/For Relationship in Electronic Documentation Fact Sheet
Fact Sheets
09/10/2020
Full-Service Intelligent Mail® Fact Sheet

This document covers benefits, requirements, and resources for Full‐Service Intelligent Mail®.

Fact Sheets
09/03/2020
Service Type Identifier (STID) Table Effective July 27, 2020

The STID (Service Type Identifier) is a three-digit numeric code used within the Intelligent Mail® barcode (IMb™) on a mailpiece that identifies the address correction or other electronic services desired. The STID Table allows you to determine which STID to use based on the mail class, address correction option, use of IMb Tracing™ and whether the mail contains a Full Service or Basic IMb.

Fact Sheets
09/02/2020
Political Mail & Official Election Mail STIDs Fact Sheet