Arbitration Act 1940
Section 15
Termination of Mandate and Substitution of Arbitrator
(1) In addition to the circumstances referred
to in section 13 or section 14, the mandate of an arbitrator shall terminate -
(a) where
he withdraws from office for any reason; or
(b) by
or pursuant to agreement of the parties.
(2) Where the mandate of an arbitrator
terminates, a substitute arbitrator shall be appointed according to the rules
that were applicable to the appointment of the arbitrator being replaced.
(3) Unless otherwise agreed by the parties,
where an arbitrator is replaced under sub-section (2), any hearings previously
held may be repeated at the discretion of the arbitral tribunal.
(4) Unless otherwise agreed by the parties, an
order or ruling of the arbitral tribunal made prior to the replacement of an
arbitrator under this section shall not be invalid solely because there has
been a change in the composition of the arbitral tribunal.