12/05/2024
Appendix C: ACS™ Product Code Information and Details
This document provides ACS™ Product Codes, descriptions, classifications, shapes, and fees.
02/16/2024
Appendix A: Ancillary Service Type Identifier (STID) Details
Appendix A provides a detailed description of the various address correction options available within basic / Nonautomation and full-service mailings and the STIDs that provide the different undeliverable-as-addressed (UAA) treatments.
05/02/2022
Mailer's Technical Advisory Committee - Best Practices for ACS™
This document is designed to enhance mailers' understanding of the US Postal Service's ACS™ product.
05/02/2022
Mailer's Technical Advisory Committee - Best Practices for ACS™
This document is designed to enhance mailers' understanding of the US Postal Service's ACS™ product.
11/05/2019
07/28/2013
Appendix B: ACS™ Frequently Asked Questions
This document provides frequently asked questions (FAQs) and answers about the Intelligent Mail® Barcode, Traditional ACS™, OneCode ACS™, Full Service ACS™, Single Source ACS™, and the Intelligent Mail® Package Barcode (IMpb).
07/28/2013
Appendix D: Glossary of ACS™ Acronyms and Terminology
This document contains a glossary of ACS™ terms.