As an exception, however, when a Prohibited Substance  or a Prohibited Method has b een removed from the Prohibited List, an Athlete  or other Person  currently serving a period of Ineligibility  on account of the formerly Prohibited  73  [Comment to Article 24.7.5: Other than the situation described in Article 24.7.5, where a final decision finding an anti -doping rule violation has been rendered prior to the Effective Date and the period of Ineligibility imposed has been completely served, these Anti -Doping Rules may not be used to re- characterize the prior violation.]