10.7.2   Admission of an Anti -Doping Rule Violation in the Absence of Other Evidence   Where an Athlete  or other Person  voluntarily admits the commission of an anti -doping rule violation before having received notice of a Sample collection which could establish an anti-doping rule violation (or, in the case of an anti -doping rule violation other than Article 2.1, before re ceiving first notice of the admitted violation pursuant to Article 7) and that admission is the only reliable evidence of the violation at the time of admission, then the period of Ineligibility  may be reduced, but not below one -half of the period of Ineligibility  otherwise applicable.50  10.7.3   Application of Multiple Grounds for Reduction of a Sanction    50  [Comment to Article 10.7.2: This Article is intended to apply when an Athlete or other Person comes forward and admits to an anti-doping rule violation in circumstances where no Anti -Doping Organization is aware that an anti -doping rule violation might have been committed.