The Department, over the signature of the Director, is authorized to subpoena and bring before the Department any person or persons in this State and to take testimony either orally or by deposition or by exhibit, with the same fees and mileage and in the same manner as prescribed by law in judicial proceedings in civil cases in circuit courts of this State. The Director may issue subpoenas duces tecum to command the production of any or all records relating to the person.
510 ILCS 90/6.5