Upon such voluntary acceptance, the Provisional Suspension  shall have the full effect and be treated in the same manner as if the Provisional Suspension had been imposed under Article 7.4.1 or 7.4.2; provided, however, at any time after voluntarily accepting a Provisional Suspension, the Athlete  or other Person  may withdraw such acceptance, in which event the Athlete  or other Person  shall not receive any credit for time previously served during the Provisional Suspension.