; (B) the defendant was authorized to do business; or (C) the defendant in the civil action is found; (2) process may be served without regard to the territorial limits of the district or of the State in which the civil action is instituted; and (3) a person who participated with the defendant in an alleged violation that is being litigated in the civil action may be joined in the civil action without regard to the residence of the person. (f) Limitation on State action while Federal action is pending If the Federal Trade Commission has instituted a civil action or an administrative action for violation of this Act, no State attorney general, or official or agency of a State, may bring an action under this subsection during the pendency of that action against any defendant named in the complaint of the Federal Trade Commission or the other agency for any violation of this Act alleged in the complaint. (g) Enforcement of State Law Nothing contained in this section shall prohibit an authorized State official from proceeding in State court to enforce a civil or criminal statute of such State. 6. Effect on other laws (a) Other authority of Federal Trade Commission Nothing in this Act shall be construed to limit or affect in any way the Federal Trade Commission’s authority to bring enforcement actions or take any other measure under the Federal Trade Commission Act ( 15 U.S.C. 41 et seq. ) or any other provision of law. (b) State law Nothing in this Act preempts any State law.