; or (3) restricts, limits, or conditions the ability of a customer or client of that entity to pursue a claim relating to that dispute in an individual or representative capacity or on a class action or consolidated basis. . (b) Application to existing agreements (1) In general With respect to an agreement described in section 15(o) of the Securities Exchange Act of 1934 ( 15 U.S.C. 78o(o) ), as amended by subsection (a) of this section, that was entered into before the date of enactment of this Act, any provision of that agreement that is prohibited by such section 15(o), as amended by subsection (a) of this section, is void. (2) Ongoing arbitration A provision of an agreement prohibited by section 15(o) of the Securities Exchange Act of 1934 ( 15 U.S.C. 78o(o) ), as amended by subsection (a) of this section, shall not be void under paragraph (1) if arbitration required by that provision was initiated by any party on or before the date of enactment of this Act. 4. Arbitration agreements in the Securities Act of 1933 Section 6 of the Securities Act of 1933 ( 15 U.S.C. 77f ) is amended by adding at the end the following: (f) Limitation on arbitration requirements A security may not be registered with the Commission if the issuer of the security, in the bylaws of the issuer, other governing documents, or any contract with a shareholder relating to the parties as issuer and shareholder, mandates arbitration for any dispute between the issuer and the shareholders of the issuer, without regard to whether such a provision in the bylaws, documents, or contract is otherwise permissible under title 9, United States Code. . 5. Arbitration agreements in the Investment Advisers Act of 1940 (a) In general Section 205(f) of the Investment Advisers Act of 1940 ( 15 U.S.C. 80b–5(f) ) is amended to read as follows: (f) Notwithstanding any other provision of law, including any provision of title 9, United States Code, it shall be unlawful for any investment adviser to enter into, modify, or extend an agreement with customers or