The Child Support Application is available for download in Portable Document Format (PDF). It can then be filled out on your computer.Complete the on-line application for free child support services if you live in Illinois and the dependent child(ren) lives with you. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. Fill out and sign the forms listed below. Make at least three copies of each form. Use this form to let the other parent's employer know to withhold child support from paychecks. ¿Hay alguien nombrado en este formulario que PAGA manutención de niños o pensión al cónyuge? I understand that I am responsible for the selection of the child care providers for my child(ren). ILSDU is the payments processing center for all Illinois child support payments.