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Access and print the PDF version of the FAQs for Real-Time Trade Matching (RTTM) Processing for CMU Trades. Login to view all of the frequently asked questions.

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A: For more information about the RTRS system, do one of the following:

  • Visit the Municipal Securities Rulemaking Board (MSRB) web site available at
  • Call 1 202 838-1330 and ask to speak with a transaction reporting specialist.
  • Email This email address is being protected from spambots. You need JavaScript enabled to view it..
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A: Visit the New Issue: Cancellations, Late Notification of Settlement, or Other late Security Masterfile Updates section available at:

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A: For CMU matching questions, do one of the following:

A: For RTTM® Web Password issues:

  • If you are not a super access coordinator (SAC) or access coordinator at your firm, contact your firm’s
    access coordinator to reset your password.
  • If you are a SAC or access coordinator for your firm, call DTCC Client Support at 1 888 382-2721 (select option 5, and then 1).

See also: CMU RTTM Super Access Coordinator User Guide.

A: For problems with data communication or RTTM Web access issues or further CMU matching
questions, call DTCC Client Support at 1 888 382-2721 (select option 5, and then 4).