Missouri Family Court Modification Judgment is a court order by a family court that modifies an existing court order or decree. This could involve modifying an existing child custody or visitation order, altering an existing child support order, or changing the terms of spousal support or alimony. There are two types of Missouri Family Court Modification Judgment: an interim order and a permanent order. An interim order is a temporary change in the existing court order, while a permanent order is a final and binding modification of the existing court order. To obtain a modification, the requesting party must show a substantial change in circumstance that makes the modification necessary.