2.__Recognition and enforcement without modification.__A court of this State shall recognize and enforce, but may not modify, except in accordance with subchapter II, a registered child custody determination of a court of another state.

Uniform Comment

A registered child-custody determination can be enforced as if it was a child-custody determination of this State. However, it remains a custody determination of the State that issued it. A registered custody order is not subject to modification unless the State would have jurisdiction to modify the order under Article 2 [Me. cite subchapter II].

§1767.__Simultaneous proceedings

If a proceeding for enforcement under this subchapter is commenced in a court of this State and the court determines that a proceeding to modify the determination is pending in a court of another state having jurisdiction to modify the determination under subchapter II, the enforcing court shall immediately communicate with the modifying court. The proceeding for enforcement continues unless the enforcing court, after consultation with the modifying court, stays or dismisses the proceeding.

Uniform Comment

The pleading rules of Section 308 [Me. cite section 1768], require the parties to disclose any pending proceedings. Normally, an enforcement proceeding will take precedence over a modification action since the PKPA requires enforcement of child custody determinations made in accordance with its terms. However, the enforcement court must communicate with the modification court in order to avoid duplicative litigation. The courts might decide that the court with jurisdiction under Article 2 [Me. cite subchapter II] shall continue with the modification action and stay the enforcement proceeding. Or they might decide that the enforcement proceeding shall go forward. The ultimate decision rests with the court having exclusive, continuing jurisdiction under Section 202 [Me. cite section 1746], or if there is no State with exclusive, continuing jurisdiction, then the decision rests with the State that would have jurisdiction to modify under Section 203 [Me. cite section