(a) The Arbitrator shall interpret and apply the provisions of this subchapter insofar as they relate to the Arbitrator's powers and duties. If there is more than one Arbitrator, the interpretation and application of these rules shall be decided by a majority vote. In addition to the authority expressly granted by law or otherwise by these rules, the Arbitrator shall have the power to issue such orders as necessary to implement these rules.

(b) The Office of Administrative Hearings shall in the administration of Arbitrations hereunder interpret and apply the rules of this subchapter relating to the powers and duties of that office.