Kuwait Court of Cassation principle number 1547

An arbitrator may be challenged on the same grounds as a judge. - Grounds for challenging an arbitrator. They must have arisen or appeared after his selection and personal appointment. Its consequence. The litigants' knowledge of these grounds before his selection does not permit them to challenge him. They may waive the application to challenge him despite the existence of its grounds. - Knowledge of the ground for challenge after the arbitral award is rendered. Its effect. An action for nullity must be brought within thirty days of the emergence of this ground; otherwise the right to bring it lapses. - Inference of the litigants' knowledge or ignorance of the ground for challenge or disqualification. A question of fact for the court determining the merits. Its condition.