Illinois Petition For Rule To Show Cause is a legal document used to inform the court of a party’s failure to comply with a court order. It is a request for the court to issue a rule to show cause against the offending party. The petition is typically filed by the party who is seeking enforcement of the court order. It is a formal request to the court for a hearing to determine if the offending party is in contempt of court. There are two types of Illinois Petition For Rule To Show Cause: a Petition for Rule to Show Cause for Civil Contempt and a Petition for Rule to Show Cause for Criminal Contempt. The Petition for Rule to Show Cause for Civil Contempt is used when someone has failed to comply with a court order, such as paying a court-ordered debt. The Petition for Rule to Show Cause for Criminal Contempt is used when someone has disobeyed a court order, such as refusing to appear in court or failing to testify.