However, where the effect of the change is to remove a Prohibited Substance or Prohibited Method from the Prohibited List, an Athlete or other Person who is serving a period of Ineligibility on account of that (former) Prohib-ited Substance or Prohibited Method may apply to the BIU or other Anti-Doping Organisation that had Results Management responsibility for the anti-doping rule violation to consider a reduction in the period of Ineligibility in light of its removal from the Prohibited List.2.