(A) Upon the filing of a complaint, the commission shall set a time and place of hearing before itself and give notice of such hearing to the respondent at least twenty (20) days prior to the date set, or shall direct that such hearing be held before a master to be appointed by the Supreme Court.

   (B) If the commission directs that the hearing be held before a master to be appointed by the Supreme Court, the commission shall file a written request to the Supreme Court to appoint a master for such purpose accompanied by a copy of the complaint. The Supreme Court shall within ten (10) days from receipt of said request, appoint a master to conduct such hearing. Said master shall set a time and place of hearing and shall give notice thereof to the respondent and to the Attorney General or special counsel at least twenty (20) days prior to the date set. The master shall rule on all motions and other procedural matters incident to the complaint, answer and hearing, subject to review by the commission after filing of the master's report.