(a) Except as otherwise provided in Section 204, a court of this state which has made a child-custody determination consistent with Section 201 or 203 has exclusive, continuing jurisdiction over the determination until:
(1) a court of this state determines that the child, or the child and one parent, or the child and a person acting as a parent do not have a significant connection with this state and that substantial evidence is no longer available in this state concerning the child’s care, protection, training and personal relationships; or(2) a court of this state or a court of another state determines that the child, the child’s parents and any person acting as a parent do not presently reside in this state.(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 201.
