Rule Summary: Prohibits dealers from publishing false or misleading advertisements relating to municipal securities or concerning the facilities, services or skills of any dealer; establishes specific requirements for advertisements of new issues and municipal fund securities; and requires a municipal securities or general securities principal to approve in writing advertisements prior to first use.

Rule Summary: Prescribes standard formulas for the computation of accrued interest, dollar price and yield; sets standards for accuracy; and establishes day-counting methods.