(a) The parties may be represented by persons of their choice, irrespective of, in particular, nationality or professional qualification. The names, addresses and telephone, e-mail or other communication references of representatives shall be communicated to the Center, the other party and, after its establishment, the Tribunal.
(b) Each party shall ensure that its representatives have sufficient time available to enable the arbitration to proceed expeditiously.
(c) The parties may also be assisted by persons of their choice.