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BSA Changes
For changes to a BSA assignment, please send your request to the Mailing and Shipping Solutions Center (MSSC) via email to mssc@usps.gov.

Request must be on company letter head with a live or digital signature and include the following information:
  • CRID and services needed
  • Contact information
  • Name and Username of Current BSA
  • Name and Username of New BSA
  • Reason for the requested change (i.e., Jon Doe no longer with the company).

EPS Changes
Requests including changes to an Enterprise Payment System Account (EPS) must be submitted using USPS Approved BSA_EPS Customer Letter Template

Request must be on company letter head with a live or digital signature.

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