; (2) submit to the appropriate congressional committees a report that contains the results of each assessment conducted under paragraph (1); and (3) make each report submitted under paragraph (2) accessible to the public. (b) Government Accountability Office The Comptroller General of the United States shall periodically evaluate, and report to the appropriate congressional committees on, the effectiveness of the Commission in carrying out and enforcing subsection (s) of section 13 of the Securities Exchange Act of 1934 ( 15 U.S.C. 78m ), as added by section 4(a). 6. Severability If any provision of this Act, an amendment made by this Act, or the application of this Act (or an amendment made by this Act) to any person or circumstance is held to be invalid, that holding shall have no effect with respect to— (1) the remainder of this Act; and (2) the application of the provision or amendment, as applicable, to any other person or circumstance. 7. Authorization of appropriations There are authorized to be appropriated to the Commission such sums as may be necessary to carry out this Act.