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).
04/14/2026
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04/13/2026
Provisioning Enterprise Payment (EPS) and USPS Ship (formerly Package Platform (PPC)) Data through Informed Visibility® (IV®)
This guide provides instructions for receiving Enterprise Payment System (EPS) and USPS Ship (formerly Package Platform Concept (PPC)) data through the IV Mail Tracking & Reporting (IV-MTR) application. Instructions include how to get access, create and manage a data feed, manage the address book, and manage data delegation.
04/12/2026
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04/09/2026
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04/07/2026
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04/07/2026
Enterprise Payment System (EPS) Deposit Instructions
These instructions include general technical information and instructions for sending electronic funds into your EPS account. The information here is designed for trust customers (and debit customers who need to initiate a fund transfer to cover a debit return problem).