Rule Summary: Prohibits dealers and their associated persons who have been the subject of certain disciplinary actions from qualifying under the MSRB’s professional qualification rules.

Rule Summary: Establishes requirements relating to CUSIP numbers for dealers and, in competitive offerings, municipal advisors; requires underwriter participation in the New Issue Information Dissemination Service (NIIDS); and requires submission of certain information and documents related to auction rate securities and variable rate demand obligations to the SHORT system.