; and (2) action or proceeding that is commenced on or after the date of enactment of this Act. (c) Antitrust laws Nothing in this section, or the amendments made by this section, shall modify, impair, limit, or supersede the applicability of the antitrust laws as defined in subsection (a) of the first section of the Clayton Act ( 15 U.S.C. 12(a) ), and of section 5 of the Federal Trade Commission Act ( 15 U.S.C. 45 ) to the extent that it applies to unfair methods of competition. (d) Rulemaking The Federal Trade Commission may issue rules under section 553 of title 5, United States Code, to carry out section 27 of the Federal Trade Commission Act, as added by subsection (a), including by defining any terms used in such section 27 (other than terms that are defined in subsection (a) of such section 27).