2021 IFA Anti -Doping Rules ( October  2020)  Page 21 of 65   5.6 Retired Athletes Returning to  Competition   5.6.1  If an International -Level Athlete or National -Level Athlete in IFA’s Registered Testing  Pool  retires  and then  wishes  to return  to active  participation  in sport,  the Athlete shall not compete in International Event s or National Event s until the Athlete has made himself or herself available for Testing , by giving six -months prior written notice to IFA and their National Anti -Doping  Organization .