Section 13: Grounds for challenge of arbitrator

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