4.3 WADA ’s Determination of the Prohibited  List World Triathlon Anti -Doping Rules 2021  13   WADA’s determination of the Prohibited Substances and Prohibited Methods that will be included on the Prohibited List , the classification of substances into categories on the Prohibited List , the classification of a substance as prohibited at all times or In- Competition  only,  the classification of a substance or method as a Specified Substance , Specified Method  or Substance of Abuse  is final and shall not be subject  to any challenge  by an Athlete  or other  Person including, but not limited to, any challenge  based on an argument that the substance or method was not a masking agent or did not have the potential to enhance performance, represent a health risk or violate the spirit of sport.