24.7.5  For purposes of assessing the period of Ineligibility  for a second violation under Article 10.9.1, where the sanction for the first violation was determined based on rules in force prior to the Effective Date, the period of Ineligibility  which would have b een assessed for that first violation had these Anti -Doping Rules been applicable, shall be applied .74  24.7.6  Changes to the Prohibited List  and Technical Documents  relating to substances or methods on the Prohibited List  shall not, unless they specifically provide  74  [Comment to Article 24.7.5: Other than the situation described in Article 24.7.5, w here 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, t hese Anti-Doping Rules may not be used to re -characterize the prior violation.]