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This section is dedicated to Automated Customer Account Transfer Service (ACATS) user guides, ACATS Online Help, record layouts, important notices, membership documents,and other technical documentation. All content has been updated to reflect the Modernization Shortened Cycle release. You can also access this information in the ACATS Modernization section.

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ACATS User Guides

View user guides, reports, process flows, and super access coordinator documents to help you get the most out of the ACATS system.

NSCC File Formats for ACATS

Access NSCC file formats for ACATS, including the participant master file and:

  • Input fixed records
  • Output fixed records
  • Input variable records
  • Output variable records

ACATS Best Practices

View the industry best practices for accessing and using the ACATS system.

ACATS Important Notices

View ACATS important notices.

ACATS Membership Documents

Access forms and agreements, such as the bank activiation participant checklist, registration profile form, and interface participant agreement.

 

For information about the ACATS Shortened Cycle Modernization release that was implemented on Feb 24, 2020, see ACATS Projects and ACATS Working Groups.

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