5.6.2  If an  Athlete  retires from sport while subject to a period of Ineligibility , the Athlete must notify the Anti-Doping Organization  that imposed the period of Ineligibility  in writing  of such retiremen t. If the Athlete  then wishes to return to active competition in sport, the Athlete  shall not compete  in International Events or National Events until the Athlete has made himself or herself available for Testing by giving six (6) months prior written noti ce (or notice equivalent to the period of Ineligibility remaining as of the date the Athlete retired, if that period was longer than six  (6) months) to WBF  and to their National Anti -Doping Organization .