Rule Summary: Requires dealers and municipal advisors to make and keep current certain specified records.

Rule Summary: Requires dealers to use reasonable diligence to ascertain the best market for the subject security and buy or sell in that market so that the resultant price to the customer is as favorable as possible under prevailing market conditions.

Rule Summary: Establishes requirements for dealers who open accounts or effect transactions in municipal securities for a customer who is known to be an employee or partner of another dealer.