The Illinois Petition For Certificate of Relief From Disabilities is a legal document that is used to request relief from certain civil disabilities imposed due to a prior criminal conviction. This certificate is issued by the court and provides assurance that the individual has been deemed rehabilitated and is able to engage in certain activities, such as employment, professional licensing, and certain rights. The certificate is used to help individuals with criminal records who have served their sentence to move forward with their lives. There are two types of Illinois Petition For Certificate of Relief From Disabilities: a Class 4 Petition and a Class X Petition. A Class 4 Petition is used to seek relief from civil disabilities for a felony conviction or misdemeanor conviction that does not involve violence. A Class X Petition is used to seek relief from civil disabilities for a felony conviction involving violence.