Arbitration Act 1940
Section 12
Grounds for Challenge.
(1) When a person is approached in connection
with his possible appointment as an arbitrator, he shall disclose in writing
any circumstances likely to give rise to justifiable doubts as to his
independence or impartiality.
(2) An arbitrator, from the time of his
appointment and throughout the arbitral proceedings, shall, without delay,
disclose to the parties in writing any circumstances referred to in sub-section
(1) unless they have already been informed of them by him.
(3) An arbitrator may be challenged only if -
(a) circumstances
exist that give rise to justifiable doubts as to his independence or
impartiality, or
(b) he
does not possess the qualifications agreed to by the parties.
(4) A party may challenge an arbitrator
appointed by him, or in whose appointment he has participated, only for reasons
of which he becomes aware after the appointment has been made.