225 ILCS 56/105
The Department shall, before revoking, suspending, placing on probation, reprimanding, or taking any other disciplinary action under Section 95, at least 30 days before the date set for the hearing, (i) notify the accused, in writing, of any charges made and the time and place for the hearing on the charges, (ii) direct the accused to file a written answer to the charges with the Department under oath within 20 days after service of the notice, and (iii) inform the accused that, if the accused fails to answer, default will be taken against the accused or that the accused's license or certificate may be suspended, revoked, placed on probationary status, or other disciplinary action taken with regard to the license, including limiting the scope, nature, or extent of the accused's practice, as the Department may deem proper. In case the person, after receiving notice, fails to file an answer, the accused's license may, in the discretion of the Department, be suspended, revoked, placed on probationary status, or the Department may take whatever disciplinary action considered proper, including limiting the scope, nature, or extent of the person's practice or the imposition of a fine, without a hearing, if the act or acts charged constitute sufficient grounds for such action under this Act. The written notice may be served by personal delivery, mail, or email to the address of record or email address of record.
225 ILCS 56/105