Notwithstanding anything to the contrary  in this definition, the purchase (including by any electronic or  other means) of a Prohibited Substance  or Prohibited Method  constitutes Possession  by the Person  who makes the purchase.84  84  [Comment to Possession : Under this definition, anabolic steroids found in an Athlete's  car would constitute a violation unless the Athlete establishes that someone else used the car; in that event, TWIF must establish that, even though the Athlete did not have    TWIF  2021 Anti -Doping Rules  v1 Page 65 of 67    Prohibited List : The list identifying the Prohibited Substances  and Prohibited Methods .