5.6 Retired Athletes  Returning to Competition    5.6.1  If an International -Level Athlete or National -Level Athlete in IWWF ’s Registered Testing Pool retires and then wis hes to return to active participation 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 notice to IWWF  and their National Anti -Doping Organization.