2.5 Tampering  or Attempted Tampering with any part of Doping Control  by an Athlete  or Other Person  2.6 Possession  of a Prohibited Substance  or a Prohibited  Method  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.