On August 22, the MSRB filed with the SEC proposed Rule G-44, which would require municipal advisors to establish and maintain systems to supervise the municipal advisory activities of associated persons to ensure compliance with MSRB and SEC rules. The MSRB also proposed amendments to Rule G-8 with respect to books and records and Rule G-9 with respect to preservation of records to correspond with the new rule requirements. MSRB Release.