As an exception, however, when a Prohibited Substance  or Prohibited Method  has been removed from the Prohibited List , a Rider  or other Person currently serving a period of Ineligibility  on account of the formerly Prohibited Substance  or Prohibited Method  may apply to the Anti-Doping Organization  which had Results Management  responsibility for the antidoping rule violation to consider a redu ction in the period of Ineligibility  in light of the removal of the substance or method from the Prohibited List .