Section 22004 - Grounds for nonrecognitionA foreign judgment need not be recognized if:
(1) the defendant in the proceedings in the foreign court did not receive notice of the proceedings in sufficient time to enable him to defend;(2) the judgment was obtained by fraud;(3) the cause of action or claim for relief on which the judgment is based is repugnant to the public policy of this Commonwealth;(4) the judgment conflicts with another final and conclusive judgment;(5) the proceeding in the foreign court was contrary to an agreement between the parties under which the dispute in question was to be settled otherwise than by proceedings in that court; or(6) in the case of jurisdiction based only on personal service, the foreign court was a seriously inconvenient forum for the trial of the action.1990, Nov. 21, P.L. 559, No. 139, § 4, effective in 60 days.