23 Pa.C.S. § 7202.1: Duration of personal jurisdiction.

Personal jurisdiction acquired by a tribunal of this State in a proceeding under this part or other law of this State relating to a support order continues as long as a tribunal of this State has continuing exclusive jurisdiction to modify the tribunal's order or continuing jurisdiction to enforce the tribunal's order as provided by sections 7205 (relating to continuing, exclusive jurisdiction to modify child support orders), 7206 (relating to continuing jurisdiction to enforce child support orders) and 7211 (relating to continuing, exclusive jurisdiction to modify spousal support order).