A court of this State shall accord full faith and credit to an order issued by another state and consistent with this chapter that enforces a child custody determination by a court of another state unless the order has been vacated, stayed or modified by a court having jurisdiction to do so under subchapter II.   [PL 1999, c. 486, §3 (NEW); PL 1999, c. 486, §6 (AFF).]