Getting a Fair Child Support Order When a Parent Makes Money "Under the Table". Posted on May 10, 2022 in Family Law.To avoid meeting their obligations, they may opt to work under the table. Find out how we can help you collect child support in this situation. If your child's parent receives cash income "under the table," you may worry about how this will influence child support payments. Complete the on-line application for free child support services if you live in Illinois and the dependent child(ren) lives with you. Explains the general process to establish child support payments in Illinois. This booklet provides information to help each involved party better understand and exercise their rights and responsibilities under the law. If you are not being paid your court-ordered child support, you can take the other party to court to enforce the order. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts.