An arbitrator shall accept his appointment in writing. When accepting, he shall disclose to the Authority any circumstances or reasons that may raise doubts on his independence or neutrality. The Arbitrator is required from his appointment and throughout the arbitration procedures, to disclose within five Business Days from the date of any occurrence of those circumstances or reasons. The Authority shall notify arbitration parties with the arbitrator’s disclosure in order for them to take appropriate measures within the following five Business Days of the notification.