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   WBSC 2021 Anti-Doping Rules Page 60 of 68    have been 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 otherwise, be applied retroactively.