File a Complaint Against the MSRB

The MSRB seeks to ensure that accounting and audit complaints and other allegations of wrongdoing by a Board member or member of the MSRB staff are addressed promptly. A toll-free hotline (888-475-8376) managed by an independent service provider allows members of the public to report, on a confidential and anonymous basis, concerns about MSRB accounting or auditing matters or other potential wrongdoing.

If the complaint does not relate to an MSRB accounting matter or other allegations of wrongdoing by a Board member or member of the MSRB staff, please click here to find the appropriate method to submit a municipal market complaint.

Members of the public may also contact MSRB's General Counsel at, the Corporate Secretary at, or the Chair of the Board at, or by writing to them at the following address:

Municipal Securities Rulemaking Board
1300 I Street NW, Suite 1000
Washington, DC 20005
Attention: Market Regulation
Fax: 202-898-1500