Notwiths tanding anything to the contrary in this definition, the purchase (including by any electronic or  other   World Karate Federation (WKF) Anti -Doping Rules – takes effect  as of 1st January 2021  Page 64 of 66   means) of a Prohibited Substance  or Prohibited Method  constitutes Possession  by the Person  who makes the purchase.79  Prohibited List : The list identifying the Prohibited Substances  and Prohibited Methods .