In the conduct of any hearing held by the Director of the Alcoholic Beverage Control Division or the hearing officer designated as provided in this part, the director or such hearing officer shall be authorized:

1. (1) To examine or cause to be examined under oath any person and to examine or cause to be examined books and records of any licensee or agent;
2. (2) To hear testimony, to take proof material for his or her information and for the purposes of the hearing;
3. (3) To administer or cause to be administered oaths; and

4. (4)

   1. (A) For such purposes, to issue subpoenas to require the appearance of witnesses and the production of books and records, which subpoenas shall be effective in any part of this state.
   2. (B) Any circuit court may by order duly entered require the attendance of witnesses or the production of relevant books and records subpoenaed by the director, and the court may compel obedience to its orders by proceedings for contempt.
   3. (C) Any licensee or agent involved in a hearing before the director shall be entitled, on request, to a subpoena for the compulsory attendance of witnesses desired by him or her.