42 Pa.C.S. § 1742: Exclusive jurisdiction of Supreme Court.

The Pennsylvania Supreme Court shall have exclusive jurisdiction to hear any challenge to or to render a declaratory judgment concerning the constitutionality of this subchapter. The Supreme Court is authorized to take such action as it deems appropriate, consistent with the Supreme Court retaining jurisdiction over such a matter, to find facts or to expedite a final judgment in connection with such a challenge or request for declaratory relief.