Any party with a right to appeal under this Article 13 must file a cross appeal or subsequent appeal at the lates t with the party’s answer.70  13.3  Failure to Render a Timely Decision  by TWIF   Where, in a particular case, TWIF  fails to render a decision with respect to whether an anti -doping  rule violation was committed within a reasonable deadline set by WADA , WADA  may elect to appeal directly to CAS as if TWIF  had rendered a decision finding no anti -doping rule violation.