A Rider  in the UCI’s Registered Testing Pool  shall continue to be subject to the obligation to comply with the whereabouts requirements and subject to Article 2.4 (Whereabouts Failure by a Rider ) unless and until : (a) the Rider  has been given written no tice by the  UCI that he/she is removed from the  UCI Registered Testing Pool ; or (b) the Rider  gives written notice to the UCI of his/her retirement as set forth in the UCI Testing & Investigations Regulations .