A. A tribunal of the Commonwealth that has issued a child support order consistent with the law of the Commonwealth has and shall exercise continuing, exclusive jurisdiction to modify its child support order if the order is the controlling order, and:
1. At the time of the filing of a request for modification, the Commonwealth is the residence of the obligor, the individual obligee, or the child for whose benefit the support order is issued; or
2. Even if the Commonwealth is not the residence of the obligor, the individual obligee, or the child for whose benefit the support order is issued, the parties consent in a record that the tribunal of the Commonwealth may continue to exercise its jurisdiction to modify its order.
B. A tribunal of the Commonwealth that has issued a child support order consistent with the law of the Commonwealth may not exercise continuing, exclusive jurisdiction to modify the order if:
1. All of the parties who are individuals file consent in a record with the tribunal of the Commonwealth that a tribunal of another state that has jurisdiction over at least one of the parties who is an individual or who is located in the state of residence of the child may modify the order and assume continuing, exclusive jurisdiction; or
2. Its order is not the controlling order.
C. If a tribunal of another state has issued a child support order pursuant to this chapter or a law substantially similar to this chapter that modifies a child support order of a tribunal of the Commonwealth, tribunals of the Commonwealth shall recognize the continuing, exclusive jurisdiction of the tribunal of the other state.
D. A tribunal of the Commonwealth that lacks continuing, exclusive jurisdiction to modify a child support order may serve as an initiating tribunal to request a tribunal of another state to modify a support order issued in that state.
E. A temporary support order issued ex parte or pending resolution of a jurisdictional conflict does not create continuing, exclusive jurisdiction in the issuing tribunal.
F. The support enforcement agency of the Commonwealth is not authorized to establish or enforce a support order for spousal support only.