The Illinois Petition for Appointment of Guardian for Disabled Person is a legal document used to appoint a guardian for a disabled person in the state of Illinois. This document is typically used when a legally disabled person, such as a minor or an adult with a severe physical or mental disability, is unable to make decisions or act independently on their own. The petition is usually filed by a relative or close friend of the disabled person and must include evidence of the disability, as well as the petitioners qualifications for guardianship. There are three types of Illinois Petition for Appointment of Guardian for Disabled Person: Guardianship of an Adult, Guardianship of a Minor, and Guardianship of a Disabled Person Under Age 18.