; and (5) to retain for not less than 3 years after ceasing to provide immigration consulting services for a client a copy of any document required by paragraph (4) to be returned or furnished to the client. 5. Applicability and enforcement (a) General application The requirements of the regulations promulgated under section 4 apply, according to their terms, to those persons, partnerships, and corporations over which the Commission has authority pursuant to section 5(a)(2) of the Federal Trade Commission Act ( 15 U.S.C. 45(a)(2) ). (b) Enforcement by Federal Trade Commission (1) Unfair or deceptive acts or practices A violation of a regulation promulgated under section 4 shall be treated as a violation of a regulation under section 18(a)(1)(B) of the Federal Trade Commission Act ( 15 U.S.C. 57a(a)(1)(B) ) regarding unfair or deceptive acts or practices. (2) Powers of Commission The Commission shall enforce the regulations promulgated under section 4 in the same manner, by the same means, and with the same jurisdiction, powers, and duties as though all applicable terms and provisions of the Federal Trade Commission Act ( 15 U.S.C. 41 et seq.) were incorporated into and made a part of this Act. Any person who violates such a regulation shall be subject to the penalties and entitled to the privileges and immunities provided in the Federal Trade Commission Act. (c) Actions by States (1) In general In any case in which the attorney general of a State, or an official or agency of a State, has reason to believe that an interest of the residents of such State has been or is threatened or adversely affected by an act or practice in violation of a regulation promulgated section 4, the State, as parens patriae, may bring a civil action on behalf of the residents of the State in an appropriate State court or an appropriate district court of the United States— (A) to enjoin such act or practice; (B) to enforce compliance with such regulation