IWWF Anti -Doping Rules 2021   Page 9 of 88 Pages  2.6  Possession of a Prohibited Substance or a  Prohibited Me thod by an Athlete or Athlete Support Person   2.6.1  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.