ACS™ Electronic Product Fulfillment (EPF) Download Manager Software (Client Side)

Please send an email to ACS@usps.gov requesting the current versions of the EPF download managers and documentation to create your own download manager.

ACS™ File Format Technical Guide

This document contains the technical guide for ACS file format.

Appendix E: ACS™ File Format Change History

ACS™ Enrollment Form

Enrollment form for ACS™.

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.

Traditional ACS™ with Shipper Paid Services Technical Guide

This document is a guide that provides technical information about Traditional ACS™ with shipper paid services.

Intelligent Mail® Package Barcode (IMpb) ACS™ Technical Guide

Technical guide for users of Intelligent Mail® Package Barcode (IMpb) Address Change Services (ACS). Includes a solution overview, features, participation requirements, and service endorsement options.

Appendix C: ACS™ Product Code Information and Details

This document provides ACS™ Product Codes, descriptions, classifications, shapes, and fees.

Full-Service ACS Nixie Sample Data – XML Format

Full-Service ACS COA Sample Data – CSV Format

Full-Service ACS Nixie Sample Data – Excel Format

Full-Service ACS COA Sample Data – XML Format

OneCode ACS® Technical Guide

This guide provides technical references for OneCode ACS®.

Full-Service ACS COA Sample Data – Excel Format

ACS™ Product Information Guide: Publication 8

A complete overview of Address Change Services: eligibility, benefits, implementation, and technical specifications.

Secure Destruction Enrollment Form

This document is an enrollment application form for Secure Destruction.

Secure Destruction Technical Guide

A technical reference for implementing the Secure Destruction process.

Electronic Product Fulfillment (EPF) Web Access Request Form (PS 5116)

This form is used to create a Web-based account with the National Customer Support Center (NCSC) which will be utilized to retrieve/download files from the Electronic Product Fulfillment (EPF) website.

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.

Traditional ACS™ Technical Guide

This document is a guide that provides technical information about Traditional ACS™.

SingleSource ACS™ Technical Guide

This guide is a technical reference for SingleSource ACS. Includes how ACS works, participation requirements, and fulfillment files.

Domestic Mail Manual (DMM®) 708.7.0: Optional Endorsement Lines (OELs)

This document contains information on Optional Endorsement Lines (OELs).

Domestic Mail Manual (DMM®) 507.4.2: ACS™

This document provides information on Address Change Service (ACS).

Domestic Mail Manual (DMM®) 602: Addressing

This document provides information on Addressing.

Domestic Mail Manual (DMM®) 202.4.0, Placement and Physical Standards for Endorsements

This document provides information on Placement and Physical Standards for Endorsements.

ACS™ Electronic Product Fulfillment (EPF) Fulfillment File Access

Learn the different methods of accessing your ACS™ files from EPF.

ACS™ File Format Sample File

Sample file formats for ACS™.

ACS™ Electronic Product Fulfillment (EPF) Download Manager Technical Guide

Documentation for the Client Side ACS™ EPF Download Manager software package.

Appendix D: Glossary of ACS™ Acronyms and Terminology

This document contains a glossary of ACS™ terms.

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).

ACS™ Announcement: Traditional ACS™ Service Type ID FAQ

This document details frequently asked questions regarding the Traditional ACS required change.

Full-Service Electronic Mailing Information and Reports Guide

The purpose of the Electronic Mailing Information and Reports Guide is to provide information on how to access and use electronic mailing reports and to keep the user apprised of the continuous improvements to the reports as the Intelligent Mail Program matures. 

Traditional ACS™ Keyline Utility

Traditional Keyline Utility - Enter a keyline, see the check digit.

Traditional ACS™ MOD 10 Keyline Utility with Microsoft Excel®

ACS™ MOD 10 Keyline Utility utilizing Microsoft Excel®

Move Update: Are You In Compliance?

This presentation from March 2005 National Postal Forum (NPF) on move update compliance.