28 U.S.C. § 4104 - U.S. Code - Unannotated Title 28. Judiciary and Judicial Procedure § 4104. Declaratory judgments

(1) In general.--Any United States person against whom a foreign judgment is entered on the basis of the content of any writing, utterance, or other speech by that person that has been published, may bring an action in district court, under section 2201(a), for a declaration that the foreign judgment is repugnant to the Constitution or laws of the United States. For the purposes of this paragraph, a judgment is repugnant to the Constitution or laws of the United States if it would not be enforceable under section 4102 (a), (b), or (c).

(2) Burden of establishing unenforceability of judgment.--The party bringing an action under paragraph (1) shall bear the burden of establishing that the foreign judgment would not be enforceable under section 4102 (a), (b), or (c).