In Illinois, there is no alimony. Instead, people receive a large sum of money every month that is, instead, called spousal maintenance.Either party may file a petition requesting maintenance, and the petition must include an affidavit supporting why the maintenance is necessary. How do you collect maintenance, child support and property settlements from an Illinois divorce from a Florida resident. Complete the on-line application for free child support services if you live in Illinois and the dependent child(ren) lives with you. Illinois Divorce, Child Support, and Maintenance Forms (Illinois Courts). This webinar will be an in-depth review of Family Law Software Illinois Child Support and Maintenance Guidelines. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. Are you expecting to receive or provide alimony payments after your divorce? Learn about the types of spousal support in Illinois here.