WT shall regularly  review and update as necessary its criteria for including Athletes  in its Registered Testing Pool, and shall periodically (but not less than quarterly) review the list of Athletes  in its Registered Testing Pool  to ensure that each listed Athlete continues to  26 [Comment to Article 5.3.2: Before giving approval to a National Anti -Doping Organization to initiate and conduct Testing at an International Event, WADA shall consult with the international organization which is the ruling body for the Event.