As an exception, however, when a Prohibited Substance  or a Prohibited Method has been removed from the  74  [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 Bye-Laws may not be used to re-characterise the prior violation.]