Except in the case of a Minor, for any violation of Article 2.1, the athlete must also establish how the Prohibited Substance entered his or her system.World Anti-Doping Code • 2015138No Significant Fault or Negligence:  The a thlete or other Person’s establishing that his or her faul t  or negligence , when viewed in the totality of the circumstances and taking into account the criteria for no fault or negligence, was not significant in relationship to the anti-doping rule violation.