Sometimes, the parenting plan that was ordered by the court in a prior proceeding no longer works for the parties. Missouri and Kansas law requires that there be a change in circumstances before a court modifies an existing order. Missouri Under Missouri law, a court may modify an existing order if “a change has occurred in the circumstances of the child and that the modification is necessary to serve the best interests of the child.” However, the type of custody modification determines what level of change in circumstances is required. If the change is simply a change in parenting [...]