Article 18
(a) The arbitrator shall, by accepting appointment, be deemed to have undertaken to make available sufficient time to enable the arbitration to be conducted and completed expeditiously.
(b) The prospective arbitrator shall accept appointment in writing and shall communicate such acceptance to the Center.
(c) The Center shall notify the parties of the establishment of the Tribunal.
Challenge of Arbitrator
Article 19
(a) The arbitrator may be challenged by a party if circumstances exist that give rise to justifiable doubt as to the arbitrator's impartiality or independence.
(b) A party may challenge an arbitrator in whose nomination it concurred, only for reasons of which it becomes aware after the nomination has been made.