]also establish how the Prohibited Substanceentered his or her system in order to havethe period of Ineligibility reduced.10.5.3 Substantial Assistance in Discovering orEstablishing Anti-Doping Rule ViolationsAn Anti-Doping Organization with resultsmanagement responsibility for an anti-dopingrule violation may, prior to a final appellatedecision under Article 13 or the expiration ofthe time to appeal, suspend a part of theperiod of Ineligibility imposed in an individualcase where the Athlete or other Person hasprovided Substantial Assistance to an Anti-Doping Organization , criminal authority orprofessional disciplinary body which results inthe Anti-Doping Organization discovering orestablishing an anti-doping rule violation byanother Person or which results in a criminalor disciplinary body discovering or establishinga criminal offense or the breach of59 World Anti-Doping Code •2009professional rules by another Person .