Illinois Declination of Office is a legal form used in the state of Illinois by individuals who are unable to take on a public office due to personal or professional reasons. This form is used to officially decline an appointment, election, or nomination for public office. It is also used by individuals who are resigning from an existing public office. There are three types of Illinois Declination of Office: Declination of Appointment, Declination of Election, and Declination of Nomination. The form must be signed in the presence of two witnesses and filed with the proper county clerk or Secretary of State before it takes effect. The form includes personal information about the declaring, a description of the public office, and the reason for the declination.