2  2.1.2   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  A or B Sample  is split into two  (2) parts and the analysis of the confirmation part of the split Sample  confirms the presence  of the   ILS shall ensure that, as per Article 19 of these Anti -Doping Rules, any arrangements with their board members, directors, officers, and specified employees , as well as with the Delegated Third Parties and their employees – either employment, contractual or otherwise – have explicit provisions incorporated according to which such Persons are bound by, agree to comply with these Anti -Doping Rules, and agree on  the ILS’ authority  to solve the anti -doping cases.