Registered Testing Pool : The pool of highest -priority Athletes  established separately at the international level by International Federations and at the national level by National Anti -Doping Organizations , who are   80  [Comment to Possession : Under this definition, anabolic steroids found in an Athlete's  car would constitute a violation unless t he Athlete establishes that someone else used the car; in that event, WT must establish that, even though the Athlete did not have exclusive control over the car, the Athlete knew about the anabolic steroids and intended to have control over them.