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 request made in a reasonable time in advance of the hearing, to appear at the hearing (either in person or telephonically as directed by t he hearing panel ) and t o answer questions from the hearing panel  or ISA.