# 900.6 Judges.
(a) *Assignment.* No judge who has any pecuniary interest in the outcome of a proceeding shall serve as judge in such proceeding.
(b) *Powers of judges.* Subject to review by the Secretary, as provided elsewhere in this subpart, the judge, in any proceeding, shall have power to:
(1) Rule upon motions and requests;
(2) Change the time and place of hearing, and adjourn the hearing from time to time or from place to place;
(3) Administer oaths and affirmations and take affidavits;
(4) Examine and cross-examine witnesses and receive evidence;
(5) Admit or exclude evidence;
(6) Hear oral argument on facts or law;
(7) Do all acts and take all measures necessary for the maintenance of order at the hearing and the efficient conduct of the proceeding.
(c) *Who may act in absence of judge.* In case of the absence of the judge or his inability to act, the powers and duties to be performed by him under this part in connection with a proceeding may, without abatement of the proceeding unless otherwise ordered by the Secretary, be assigned to any other judge.
(d) *Disqualification of judge.* The judge may at any time withdraw as judge in a proceeding if he deems himself to be disqualified. Upon the filing by an interested person in good faith of a timely and sufficient affidavit of personal bias or disqualification of a judge, the Secretary shall determine the matter as a part of the record and decision in the proceeding, after making such investigation or holding such hearings, or both, as he may deem appropriate in the circumstances.