Tools
07/30/2019
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.

Tech Guides
04/26/2019
ACS™ File Format Technical Guide

This document contains the technical guide for ACS file format.

Applications/ Forms
03/15/2019
ACS™ Enrollment Form

Enrollment form for ACS™.

Publications
02/25/2019
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.

Data Files
02/05/2019
Service Type Identifier (STID) Table Effective February 23, 2019

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.

Tech Guides
01/25/2019
Traditional ACS™ with Shipper Paid Services Technical Guide

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

Tech Guides
01/25/2019
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.

User Guides
09/28/2018
Guide to Move Update

The Move Update standard is a means of reducing the number of mailpieces in a mailing that require forwarding or return by the periodic matching of a mailer’s address records with change-of-address orders received and maintained by the Postal Service.

Publications
07/25/2018
Appendix C: ACS™ Product Code Information and Details

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

Tech Guides
06/21/2018
OneCode ACS® Technical Guide

This guide provides technical references for OneCode ACS®.

Fact Sheets
03/07/2018
Fact Sheets
03/07/2018
Fact Sheets
03/07/2018
Fact Sheets
03/07/2018
User Guides
09/18/2017
ACS™ Product Information Guide: Publication 8

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

Tech Guides
09/01/2017
Secure Destruction Technical Guide

A technical reference for implementing the Secure Destruction process.

Applications/ Forms
09/01/2017
Secure Destruction Enrollment Form

This document is an enrollment application form for Secure Destruction.

Applications/ Forms
06/09/2017
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.

Publications
11/01/2016
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.

Publications
11/01/2016
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.

FAQs
09/26/2016
Move Update Compliance for Non-U.S. Mailers FAQs

The U.S. Postal Service® has gathered some common questions asked by foreign mailers.

Fact Sheets
07/01/2016
Clarification to the Move Update Standard

This document contains information on the Move Update standards.

Tech Guides
03/29/2016
SingleSource ACS™ Technical Guide

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

Tech Guides
03/29/2016
Traditional ACS™ Technical Guide

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

Quick Service Guides
03/18/2016
Service Type Identifier (STID) Quick Service Guide

This document provides quick information about the The STID (Service Type Identifier) is a three-digit numeric code used within the Intelligent Mail® barcode (IMb™).

Publications
03/07/2016
Domestic Mail Manual (DMM®) 507.4.2: ACS™

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

Announcements
08/13/2015
ACS™ Announcement: DPV® Field Included in the ACS 702 Character File (October 20, 2015)

Beginning with the October 20, 2015 ACS fulfillment, the ACS 702 character fulfillment file will include a DPV® field.

Tech Guides
05/26/2015
ACS™ Electronic Product Fulfillment (EPF) Fulfillment File Access

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

Fact Sheets
05/05/2015
Move Update at a Glance

Mailers who claim presorted or automation prices for First-Class Mail® or Standard Mail® must comply with the Move Update requirements using one of the approved address hygiene methods.

Announcements
04/28/2015
ACS™ Announcement: Electronic Product Fulfillment (EPF) Invoice Modification

The ACS EPF Billing Invoice PDF version has been modified effective with the April 24, 2015 invoice.

Data Files
01/16/2015
ACS™ File Format Sample File

Sample file formats for ACS™.

Tech Guides
10/21/2014
ACS™ Electronic Product Fulfillment (EPF) Download Manager Technical Guide

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

Announcements
03/14/2014
ACS™ Announcement: Electronic Product Fulfillment (EPF) Planned Maintenance and Migration Rescheduled

Electronic Product Fulfillment (EPF) maintenance previously planned for March 15, 2014 has been tentatively rescheduled to begin March 22, 2014 at 10am CST and end March 23, 2014 at 10pm CST.

Publications
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).

Publications
07/28/2013
Appendix D: Glossary of ACS™ Acronyms and Terminology

This document contains a glossary of ACS™ terms.

FAQs
01/01/2013
ACS™ Announcement: Traditional ACS™ Service Type ID FAQ

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

Tech Guides
10/09/2012
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. 

Tools
01/02/2012
Traditional ACS™ Keyline Utility

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

Presentations
05/01/2011
How to Work with Your Mail Preparer to Implement IMb Services

The agenda for this presentation includes your mailing practices, IMb™ Services overview, company decisions, your mail preparer, and the project plan.

Announcements
10/14/2009
ACS™ Announcement: ACS™ Fulfillment for Wednesday October 14, 2009

ACS fulfillments for Wednesday morning October 14 will be delayed.

Announcements
10/09/2009
ACS™ Announcement: ACS™ Fulfillment for Saturday, Sunday and Monday October 10 - 12, 2009

ACS customers who are expecting ACS fulfillments on Saturday, Sunday and Monday October 10 - 12, 2009 may not receive all of the records available for fulfillment.

Announcements
10/07/2009
ACS™ Announcement: ACS™ Fulfillment for Wednesday October 7, 2009 & Thursday October 8, 2009

The ACS fulfillment for Wednesday October 7, 2009 and October 8, 2009 did not contain all of the records available for fulfillment.

Announcements
09/30/2009
Announcements
09/29/2009
ACS™ Announcement: ACS™ Fulfillment for Saturday September 26, 2009

The ACS fulfillment for Saturday September 26, 2009 did not contain all of the records available for fulfillment.

Tools
05/08/2009
Traditional ACS™ MOD 10 Keyline Utility with Microsoft Excel®

ACS™ MOD 10 Keyline Utility utilizing Microsoft Excel®

Announcements
02/16/2009
ACS™ Announcement: OneCode ACS® Fulfillment

Information regarding OneCode ACS data content regarding the Intelligent Mail (IM) barcode

Announcements
12/05/2008
ACS™ Announcement: Daily Fulfillment for OneCode ACS® December 5, 2008

OneCode ACS® Fulfillment will change to a daily fulfillment.

Announcements
09/29/2008
Announcements
08/03/2008
Announcements
04/18/2008