Pennsylvania Statutes Title 23 Pa.C.S.A. Domestic Relations § 7604. Choice of law

(a) General rule.--Subject to subsection (d), the law of the issuing state or foreign country governs the following:

(b) Proceeding for arrearages.--In a proceeding for arrearages under a registered support order, the statute of limitation under the laws of this State or of the issuing state or foreign country, whichever is longer, applies.

(c) Procedures and remedies.--A responding tribunal of this State shall apply the procedures and remedies of this State to enforce current support and collect arrearages and interest due on a support order of another state or a foreign country registered in this State.

(d) Controlling order.--After a tribunal of this State or another state determines which is the controlling order and issues an order consolidating arrearages, if any, a tribunal of this State shall prospectively apply the law of the state or foreign country issuing the controlling order, including the law on interest on arrearages, on current and future support and on consolidated arrearages.