ISPPPI – November  2021 Page 21 of 24  ANNEX A: RETENTION TIMES  ADRV:  Anti-doping rule violation  AAF:  Adverse analytical finding ATF:  Atypical finding APF:  Adverse passport finding  ATPF:  Atypical passport finding   I. Referenced  data will be deleted no later  than the end of the calendar  quarter  following the expiry of the stated retention period.