210 ILCS 45/3-706

The Director or hearing officer shall permit any party to appear in person and to be represented by counsel at the hearing, at which time the applicant or licensee shall be afforded an opportunity to present all relevant matter in support of his position. In the event of the inability of any party or the Department to procure the attendance of witnesses to give testimony or produce books and papers, any party or the Department may take the deposition of witnesses in accordance with the provisions of the laws of this State. All testimony taken at a hearing shall be reduced to writing, and all such testimony and other evidence introduced at the hearing shall be a part of the record of the hearing.