]30 World Anti-Doping Code •20094.2 Prohibited Substance s and Prohibited Method sIdentified on the Prohibited List4.2.1 Prohibited Substance s and Prohibited Method sThe Prohibited List shall identify thoseProhibited Substance s and Prohibited Method swhich are prohibited as doping at all times(both In-Competition and Out-of-Competition )because of their potential to enhanceperformance in future Competition s or theirmasking potential and those substances andmethods which are prohibited In-Competitiononly.