Express Mail Corporate Account (EMCA) Migration to National Customer Management System (NCMS)

The USPS Centralized Accounting Processing System (CAPS) is one of the USPS payment processing systems customers can use to fund their Express Mail Corporate Account (EMCA). The CAPS system will retire in the summer of 2021. Current Priority Mail Express (PME) customers who are using CAPS to fund their EMCA need to start using the USPS National Customer Management System (NCMS) to fund their EMCA. Customers can use Credit Card or Automated Clearing House (ACH)-debit/credit for establishing payment method in NCMS. This document provides the steps EMCA customers need to complete in-order to use the NCMS to fund their EMCA and to delink the their EMCA from CAPS.

March 03, 2021