Any party to any hearing before the real estate commission shall have the right to the attendance of witnesses in the party’s behalf at such a hearing upon making a request thereof to the commission and designating the person or persons sought to be subpoenaed. [C31, 35, §1905-c52; C39, § 1905.49; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §117.38 ] C93, §543B.38 Referred to in §543B.43