ILS Ant -Doping Rules 2021 Page 6 of 64    Prohibited Substance  or its  Metabolites  or Markers  found in the first part of the split Sample  or the Athlete  waives analys is 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.