Modification of another court's determination
Missouri courts generally cannot change a child custody order that was made by a court in another state. Missouri can only change it if Missouri has the right to make custody decisions in the first place, AND either the other state's court says it no longer has authority or that Missouri is a better place to handle it, OR a court finds that the child, parents, and anyone acting as a parent no longer live in that other state.
452.800. of another court's . — Except as otherwise provided in section 452.755, a court of this state may not a made by a court of another state unless a court of this state has to make an under (1) or (2) of 1 of section 452.740 and:
(1) The court of the other state that it no longer has under section 452.745 or that a court of this state would be a more under section 452.770; or
(2) A court of this state or a court of the other state determines that neither child, nor a parent, nor any person acting as a parent presently resides in the other state.
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Source & history notes
(L. 2009 H.B. 481)
Legal information, not legal advice. Always confirm with the official source at revisor.mo.gov.