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.

Rule Summary: Establishes duties of dealers acting as broker’s brokers, including when conducting auctions of municipal securities known as “bid-wanteds”; requires broker’s brokers to establish policies and procedures regarding bid-wanteds and offerings; and prohibits certain wrongful conduct.