3.2.5   The hearing panel  in a hearing on an anti -doping rule violation may draw an inference adverse to the Athlete  or other Person who is asserted to have committed an anti -doping rule violation  based on the Athlete’s  or other Person’s  refusal, after a re quest made in a reasonable time in advance of the hearing, to appear at the hearing (either in person or telephonically as directed by the hearing panel ) and to answer questions from the hearing panel  or the IOF .