According to Art. 10.9.2 of the FEI Anti-Doping Rules for Human Athletes based on the World Anti-Doping Code, where the athlete promptly admits the anti-doping rule violation after being confronted with it, the Panel has discretion to decide that the period of ineligibility may start as early as the date of sample collection or the date on which another anti-doping rule violation last occurred and to fix the length of this period, provided that the athlete has served at least half of it going forward from the date he accepted the imposition of a sanction, the date of a hearing decision imposing a sanction or the date of the sanction is otherwise imposed.