Rule Summary: Prohibits dealers from improperly using municipal securities or funds held on behalf of another person, guaranteeing customers against loss in customer accounts and transactions, and sharing in profits and losses of customer accounts and transactions by any dealer.

Rule Summary: Prohibits municipal advisors from publishing false or misleading advertisements concerning the services of the municipal advisor or the engagement of a municipal advisory client or concerning the facilities, services or skills of any municipal advisor, establishes specific content standards for advertisements and requires a municipal advisor principal to approve, in writing, advertisement prior to first use.