(UCCJEA 203). Except as otherwise provided in K.S.A. 2020 Supp. 23-37,204, and amendments thereto, a court of this state may not modify a child-custody determination made by a court of another state unless a court of this state has jurisdiction to make an initial determination under subsection (a)(1) or (2) of K.S.A. 2020 Supp. 23-37,201, and amendments thereto, and:
K.S.A. 23-37,203