(b) The powers of the commissioner include, but are not limited to, the following:

1. (1) Administer oaths and affirmations;
2. (2) Subpoena witnesses, documents, or records;
3. (3) Permit discovery by deposition or otherwise;
4. (4) Preside over a hearing or designate a hearing officer to preside over a hearing;

5. (5) Maintain order by regulating the course of the hearing and the conduct of the parties and their attorney, including the power to:

   1. (A) Receive relevant and material evidence;
   2. (B) Exclude repetitious evidence;
   3. (C) Rule upon the admissibility of evidence and offers of proof; and
   4. (D) Exclude or suspend a party’s attorney from the proceedings for dilatory, obstructionist, egregious, contemptuous, or contumacious conduct;
6. (6) Schedule and hold prehearing conferences and conferences prior to and during the course of a hearing for purposes of settlement or simplification of issues;
7. (7) Consider and rule upon all procedural and other pleadings and motions appropriate in a proceeding, including petitions to add a party or intervenor;
8. (8) Recuse for bias or conflict of interest himself or herself on a motion made by a party and appointing a new hearing officer in his or her place;
9. (9) Take such action as the circumstances warrant against a person who engages in dilatory or obstructionist conduct during the course of a deposition, including exclusion of the offending person from participation in the deposition or contested case; and
10. (10) Perform all other functions necessary and appropriate to discharge the duties of commissioner.