225 ILCS 705/5.04
The certificate of any mine manager may be cancelled and revoked by the Mining Board upon notice and hearing as provided by this Act, if it shall be established in the judgment of said Mining Board that the holder thereof has obtained said certificate by fraud or misrepresentation of his experience or has become unworthy to hold said certificate by reason of violation of the law, intemperate habits, incapacity, abuse of authority or for any other cause. Any person against whom charges or complaints are made hereunder shall have the right to appear before the Mining Board and defend himself against said charges, and he shall have 15 days' notice in writing of such charges previous to such hearing. The Mining Board, in its discretion, may suspend the certificate of any person charged as aforesaid, pending such hearing, but said hearing shall not be unreasonably deferred.
225 ILCS 705/5.04