Sufficient proof of an anti-doping rule violation under Article 2.1 is
established by any of the following: presence of a Prohibited
Substance or its Metabolites or Markers in the Athlete’s A Sample
where the Athlete waives analysis of the B Sample and the B
Sample is not analyzed; or, where the Athlete’s B Sample is
analyzed and the analysis of the Athlete’s B Sample confirms the
presence of the Prohibited Substance or its Metabolites or Markers
found in the Athlete’s A Sample; or, where the Athlete’s B Sample
is split into two bottles and the analysis of the second bottle confirms
the presence of the Prohibited Substance or its Metabolites or
Markers found in the first bottle.