Section 16, The Arbitration Act, 2022

(1) Where the parties have agreed that there is to be apresiding arbitrator, they may agree what the functions of the presiding arbitrator are to be in relation to the making of decisions, orders and awards. (2) If or to the extent that there is no such agreement - a) decisions, orders and awards shall be made by all or a majority of the arbitrators, including the presiding arbitrator; (b) in the case of questions of procedure, when there is no majority or when the arbitral tribunal so authorises, the presiding arbitrator may decide alone, subject to revision by the arbitral tribunal. (3) Where there is no agreement as to how the arbitral tribunal is to make decisions under subsection (1), decisions, orders and awards shall be made by all or a majority of the arbitrators.