Publications
04/15/2026
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
04/02/2026
PCC Events (April 2026)
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04/02/2026
Destination Entry Service Standard Directory
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04/02/2026
Combined Service Standard Directory-PRI
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04/02/2026
Supplemental Service Standard Directory-PRI
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04/02/2026
Supplemental Service Standard Directory-PKG
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04/02/2026
Supplemental Service Standard Directory-PFC
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04/02/2026
Supplemental Service Standard Directory-PER
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04/02/2026
Supplemental Service Standard Directory-MKT
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04/02/2026
Supplemental Service Standard Directory-GAL
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04/02/2026
Supplemental Service Standard Directory-GAH
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04/02/2026
Supplemental Service Standard Directory-FCM
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04/02/2026
Combined Service Standard Directory-GAL
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04/02/2026
Combined Service Standard Directory-PKG
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04/02/2026
Combined Service Standard Directory-PFC
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04/02/2026
Combined Service Standard Directory-PER
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04/02/2026
Combined Service Standard Directory-MKT
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04/02/2026
Combined Service Standard Directory-GAH
Publications
04/02/2026
Combined Service Standard Directory-FCM
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04/02/2026
3D Base Service Standard Directory
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04/02/2026
Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systems
Publications
03/02/2026
PCC Events (March 2026)
Publications
02/27/2026
PCC Insider February 2026 Edition
Publications
01/30/2026
PCCAC Marketing and Communications Newsletter January 2026 Edition
Publications
01/30/2026
PCC Events (February 2026)