UWW  2021 Anti -Doping Rules  Page 6 of 66    analysis of the confirmation part of the split Sample confirms the presence of the  Prohibited Substance or its  Metabolites  or Markers  found in the first part of the split Sample or the Athlete  waives analysis of the confirmation part of the split Sample.3  2.1.3   Excepting those substances for which a Decision Limit  is specifically identified in the Prohibited List  or a Technical Document , the presence of any reported quantity of a Prohibited Substance or its Metabolites  or Markers  in an Athlete’s  Sample shall constitute an anti -doping rule violation.