210 ILCS 115/7
Any license granted hereunder shall be subject to revocation or suspension by the Department. However, the Department shall first serve or cause to be served upon the licensee a written notice in which shall be specified the way or ways in which such licensee has failed to comply with the statute, or any rules or regulations promulgated by the Department pertaining thereto. Said notice shall require the licensee to remove or abate such nuisance, insanitary or objectionable condition, specified in such notice, within 5 days or within a longer period of time as may be allowed by the Department. If the licensee fails to comply with the terms and conditions of said notice, within the time specified or such extended period of time, the Department may revoke or suspend such license.
210 ILCS 115/7