5.3.2  If an Anti-Doping Organisation , which would oth erwise have Testing  authority but is not responsible for initiating and directing Testing  at an Event,  desires to conduct Testing  of Athletes  at the Event  Venues  during the Event  Period , the Anti-Doping Organisation  shall first confirm with the WSF (or oth er international organisation which is the ruling body of the Event ) to obtain permission to conduct and coordinate such Testing .