(a) The presiding officer shall be an Administrative Law Judge or an Administrative Judge qualified in accordance with law. The Judicial Officer assigns cases under this part. Judicial Officer includes Associate Judicial Officer upon delegation thereto. The Judicial Officer may, on his or her own initiative or for good cause found, preside at the reception of evidence.

(b) The presiding officer has authority to:

(1) Take such action as may be necessary properly to preside over the proceeding and render decision therein;

(2) Render an initial decision, if the presiding officer is not the Judicial Officer, which becomes the final agency decision unless a timely appeal is taken; the Judicial Officer may issue a tentative or a final decision.