*C2*AD-2.1.2Sufficient proof of an anti-doping rule violation under Article 2.1 is established by any of the following: presence of aProhibited Substance or its Metabolites or Markers in the Athlete’s A Sample where the Athlete waives analysis ofthe B Sample and the B Sample is not analyzed; or, where the Athlete’s B Sample is analyzed and the analysis of theAthlete’s B Sample confirms the presence of the Prohibited Substance or its Metabolites or Markers found in theAthlete’s A Sample; or where the Athlete’s A or B Sample is split into two (2) parts and the analysis of theconfirmation part of the split Sample confirms the presence of the Prohibited Substance or its Metabolites orMarkers found in the first part of the split Sample or the Athlete waives analysis of the confirmation part of the splitSample.