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.In Illinois there are five main types of alimony or spousal support; temporary, fixedterm, reviewable, permanent, and lumpsum. The termination of alimony is a substantial change in circumstances warranting the modification of child support. Spousal support payments are often taken directly from your paycheck (called an earnings assignment or income withholding). Are you requesting spousal support (alimony) or child support? You cannot receive spousal support after you remarry. If you are involved in a child support case, contact a Joliet divorce attorney for legal assistance and to ensure you are legally protected. Another significant update is the shift in the child support calculation method. CA Judicial Council Approved.