The Illinois Petition For Order To Show Cause-Failure To Pay Child Support Or Maintenance is a legal document requesting an order from the court requiring a parent to explain why they have failed to pay their child support or maintenance payments. The petition is typically filed by a custodial parent or legal guardian as a way to enforce the payment of any due and unpaid child support or maintenance payments. The petition can be used to ask for a court order requiring the non-custodial parent to explain why they have failed to pay the court-ordered child support or maintenance payments. There are two types of Illinois Petition For Order To Show Cause-Failure To Pay Child Support Or Maintenance: 1. Petition For Order To Show Cause-Failure To Pay Child Support: This petition requests an order from the court requiring a parent to explain why they have failed to pay their child support payments and to pay any overdue child support. 2. Petition For Order To Show Cause-Failure To Pay Maintenance: This petition requests an order from the court requiring a parent to explain why they have failed to pay their maintenance payments and to pay any overdue maintenance.