(a) 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 by a covered consumer reporting agency or covered service provider in violation of a regulation issued by the Commission under section 501 of the Gramm-Leach-Bliley Act ( 15 U.S.C. 6801 ), the State, as parens patriae, may bring a civil action on behalf of the residents of the State in an appropriate district court of the United States to— (1) enjoin such act or practice