SIFMA submits responses to six questions posed by the Government Accountability Office (GAO) on September 28, 2010, in connection with the GAO’s study, pursuant to Section 929Z of the Dodd-Frank Wall Street Reform and Consumer Protection Act (Dodd-Frank Act), Pub. L. No. 111-203, 124 Stat. 1376, 1871 (July 21, 2010), on the impact of authorizing a private right of action against any person who aids or abets another person in violation of the securities laws.