3.2.5   The hearing panel  in a hearing on an anti -doping rule violation may draw an infe rence 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 (ei ther in person or telephonically as directed by the hearing panel)  and to answer questions from the hearing panel  or JJIF.