Notwiths tanding 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.80  80  [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, the IOF  must establish tha t, even though the Athlete did not    IOF Anti-Doping Rules   Page 64 of 66    Prohibited List : The List identifying t he Prohibited Substances  and Prohibited Methods .