5.5.6  An Athlete in ISA’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 Investigations unless and until (a) the Athlete  gives written notic e to ISA that he  or she has retired or (b) ISA  has informed him  or her that he or she no longer satisfies the criteria for inclusion in ISA' Registered Testing Pool .