authorized person
(2) the term “authorized person” means— (A) any agent or attorney of any State having an agreement under this section, who has the duty or authority under the law of such State to enforce a child custody or visitation determination; (B) any court having jurisdiction to make or enforce such a child custody or visitation determination, or any agent of such court; and (C) any agent or attorney of the United States, or of a State having an agreement under this section, who has the duty or authority to investigate, enforce, or bring a prosecution with respect to the unlawful taking or restraint of a child.