An Illinois Certificate of Dissolution is a document issued by the Secretary of State of Illinois that officially terminates a company's legal existence in the state. There are two types of Illinois Certificates of Dissolution: Articles of Dissolution and Articles of Dissolution by Incorporated. Articles of Dissolution is issued when a company voluntarily decides to dissolve the business, while Articles of Dissolution by Incorporated is issued when the Secretary of State has determined that a company is not in compliance with the state's laws or regulations. Both types of certificates require a filing fee and the signature of the registered agent. The certificate must be filed with the Secretary of State in order to officially dissolve the company in the state of Illinois.