Any party with a right to appeal under this Article 13 must file a cross appeal or subsequent appeal at the latest with t he party’s answer.65   13.3 Failure to Render a Timely Decision   Where, in a particular case, FIS fail s 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 FIS had rendered a decision finding no anti -doping rule violation.