(1) The defaulter shall be instructed to state in writing on the discipline form whether he or she admits or denies the charge.
(2) The defaulter shall be instructed to state in writing on the discipline form the names and addresses of any witnesses whose attendance at the hearing of the case he or she wishes the Commissioner to take steps to secure.
(3) Any witness who is a member shall be ordered to attend at the hearing of the case and any other witness shall be given due notice that his or her attendance is desired and of the time and place of the hearing.