]8 / IWF 2021 ANTI-DOPING RULES›  IWF 2021 ANTI-DOPING RULES2.6 Possession  of a Prohibited Substance  or a Prohibited Method  by an Athlete or Athlete Support Person2.6.1  Possession by an Athlete In-Competition of any Prohibited Substance or any Prohibited Method, or Possession by an Athlete Out-of-Competition of any Prohibited Substance or any Prohibited Method which is prohibited Out-of-Competition unless the Athlete establishes that the Possession is consistent with a Therapeutic Use Exemption (“TUE”) granted in accordance with Article 4.4 or other acceptable justification.