If you want to change your custody order, first find out whether your child's other parent will agree to the change. Include all necessary facts. 6.It is in the best interests of the child(ren) to establish or change custody for the following reasons:. Attach a complete copy of your most recent child custody, parenting time and support order(s) to your forms. If mediation is unsuccessful, the FOC chooses another enforcement option, or either parent can file a motion to modify custody orders (more on modifying above). If you want to ask the judge to change your current parenting time schedule, you can file a Motion Regarding Parenting Time. There is no time limit or time frame for when you are allowed to request a change to your child custody orders. It is in the best interests of the child(ren) to dismiss the motion. To change a parenting time order, you must establish "proper cause" or a "change in circumstances" that would warrant the modification. Fill out all requested information on the form?