1. Short title This Act may be cited as the Standard Merger and Acquisition Reviews Through Equal Rules Act of 2018 . 2. Amendments to the Clayton Act The Clayton Act ( 15 U.S.C. 12 et seq.) is amended— (1) by striking section 4F and inserting the following: 4F. Actions by Attorney General of the United States or the Federal Trade Commission (a) Whenever the Attorney General of the United States has brought an action under the antitrust laws or the Federal Trade Commission has brought an action under section 7, and the Attorney General or Federal Trade Commission, as applicable, has reason to believe that any State attorney general would be entitled to bring an action under this Act based substantially on the same alleged violation of the antitrust laws or section 7, the Attorney General or Federal Trade Commission, as applicable, shall promptly give written notification thereof to such State attorney general. (b) To assist a State attorney general in evaluating the notice described in subsection (a) or in bringing any action under this Act, the Attorney General of the United States or Federal Trade Commission, as applicable, shall, upon request by such State attorney general, make available to the State attorney general, to the extent permitted by law, any investigative files or other materials which are or may be relevant or material to the actual or potential cause of action under this Act. ; (2) in section 5— (A) in subsection (a) by inserting (including a proceeding brought by the Federal Trade Commission with respect to a violation of section 7) after United States under the antitrust laws ; and (B) in subsection (i) by inserting (including a proceeding instituted by the Federal Trade Commission with respect to a violation of section 7) after antitrust laws