; (2) in section 9 ( 15 U.S.C. 49 ), by inserting after the fourth undesignated paragraph the following: Upon the application of the commission with respect to any activity related to the consummation of a proposed merger, acquisition, joint venture, or similar transaction that is subject to section 7 of the Clayton Act ( 15 U.S.C. 18 ) that may result in any unfair method of competition, the district courts of the United States shall have jurisdiction to issue writs of mandamus commanding any person or corporation to comply with the provisions of this Act or any order of the commission made in pursuance thereof. ; (3) in section 13(b)(1) ( 15 U.S.C. 53(b)(1) ), by inserting (excluding section 7 of the Clayton Act ( 15 U.S.C. 18 ) and section 5(a)(1) with respect to the consummation of a proposed merger, acquisition, joint venture, or similar transaction that is subject to section 7 of the Clayton Act ( 15 U.S.C. 18 )) after Commission ; and (4) in section 20(c)(1) ( 15 U.S.C. 57b–1(c)(1) ), by inserting or under section 7 of the Clayton Act ( 15 U.S.C. 18 ), where applicable, after Act, . 104. Effective date