Getting a Fair Child Support Order When a Parent Makes Money "Under the Table". Posted on May 10, 2022 in Family Law.The Child Support Application is available for download in Portable Document Format (PDF). It can then be filled out on your computer. If your child's parent receives cash income "under the table," you may worry about how this will influence child support payments. 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. Instructs employers and federal agencies on how to process income withholding orders including examples of calculations. This booklet provides information to help each involved party better understand and exercise their rights and responsibilities under the law. Explains the general process to establish child support payments in Illinois.