[§583A-202] Exclusive, continuing jurisdiction. (a) Except as otherwise provided in section 583A-204, a court of this State which has made a child-custody determination consistent with section 583A-201 or 583A-203 has exclusive, continuing jurisdiction over the determination until:
(b) A court of this State which has made a child-custody determination and does not have exclusive, continuing jurisdiction under this section may modify that determination only if it has jurisdiction to make an initial determination under section 583A-201. [L 2002, c 124, pt of §2]