520 ILCS 5/3.33
The Department may either refuse to issue or refuse to renew or may suspend or may revoke any game breeding and hunting preserve area license or hound running area permit if the Department finds that such licensed area or the operator thereof is not complying or does not comply with the provisions of Section 3.35 of this Act, or that such property, or area is operated in violation of other provisions of this Act, or in an unlawful or illegal manner; however, the Department shall not refuse to issue, refuse to renew nor suspend or revoke any license for any of these causes, unless the licensee affected has been given at least 15 days notice, in writing, of the reasons for the action of the Department and an opportunity to appear before the Department or a representative thereof in opposition to the action of the Department. Upon the hearing of any such proceeding, the person designated by the Department to conduct the hearing may administer oaths and the Department may procure, by its subpoena, the attendance of witnesses and the production of relevant books and papers. The Circuit Court upon application either of the licensee affected, or of the Department, may, on order duly entered, require the attendance of witnesses and the production of relevant books and papers before the Department or its representative in any such hearing. Upon refusal or neglect to obey its order, the Court may compel obedience by proceedings for contempt of court.
520 ILCS 5/3.33