They shall be conducted in conformity with the provisions of the International Standard  for Testing and Investigations and the eventual specific protocols of IWF supplementing that International Standard.5.1.2  Testing  shall be undertaken to obtain analytical evidence as to whether the Athlete  has violated Article 2.1 (Presence of a Prohibited Substance  or its Metabolites  or Markers  in an Athlete’ s Sample ) or Article 2.2 ( Use or Attempted Use by an Athlete  of a Prohibited Substance  or a Prohibited Method ).