FIS Anti -Doping Rules  page  56 Edition January 2021  appeal but which was not a party to the proceedings  that led to the decision being appealed:    a) Within fifteen (15) days from notice of the decision, such party/ies shall have the right to request a copy of the full case file pertaining to the  decision  from the Anti-Doping Organisation  that had Results Management  authority ;  b) If such a request is made within the fifteen  (15) day period, then the party making such request shall have twenty -one (21) days from receipt of the file to file an appeal to CAS.