The period of Ineligibility  established in this Article 10.2.4.1 is not subject to any reduction based on any provision in Article 10.6.42  10.2.4.2   If the ingestion, Use or Possession  occurred In-Competition , and the Athlete  can establish that the context of the ingestion, Use or Possession  was unrelated to sport performance, then the ingestion, Use or Possession  shall not be considered intentional for purposes of Articl e 10.2.1 and shall not provide a basis for a finding of Aggravating Circumstances  under Article 10.4.                                                                                                                                                               doping case under Article 2.1 an Athlete will be successful in proving that the Athle te acted unintentionally without establishing the source of the Prohibited Substance.]