5.5.6  An Athlete  in the WSF’s  Registered  Testing Pool  shall continue to be subject to the obligation to comply with the whereabouts requirements set in the International Standard for Testing  and Inves tigations  unless and until (a) the Athlete  gives written notice to the WSF that he or she has retired or (b) the WSF has informed him or her that he or she no longer satisfies the criteria for inclusion in the WSF's Registered Testing Pool .