(1) In an arbitration composed of more than one arbitrator, where a vacancy occurs in their number, the arbitrators may with the consent of the parties, act notwithstanding the vacancy.

(2) Where the parties fail to give their consent as required under sub-section (1), the party whose number of arbitrators is affected by the vacancy, shall appoint another arbitrator to fill the vacancy immediately; failing that the Commission shall appoint another arbitrator to fill the vacancy.

(3) In a compulsory arbitration, where a vacancy occurs in the arbitration panel, the other member of the Commission representing the interest group of the absent arbitrator shall fill the vacancy.