Download and complete Motion and Notice forms from the Illinois Office of the Courts. Fill out and sign the forms listed below.Make at least three copies of each form. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. A motion is a written request to the court asking it to do something or require your opponent to do something. You must file a Motion and Notice of Motion with the Clerk of the Circuit Court and then appear in front of a judge. Complete the on-line application for free child support services if you live in Illinois and the dependent child(ren) lives with you. The forms below are some of the most common forms used in the Domestic Relations Division, but there are many more. To file a motion to modify support in Illinois, you download the correct forms, fill them out, then e-file them. To file a motion to modify support in Illinois, you download the correct forms, fill them out, then e-file them.