63 ARTICLE 19  ADDITIONAL ROL ES AND RESPONSIBILITIES OF FIS ................................ ................................ ...........  64 ARTICLE 20  ADDITIONAL ROLES AND RESPONSIBILITIES OF ATHLETES  ................................ ................................  64 ARTICLE 21  ADDITIONAL ROLES AND RESPONSIBILITIES OF ATHLETE SUPPORT PERSONNEL  ...............................  65 ARTICLE 22  ADDITIONAL ROLES AND RESPONSIBILITIES OF OTHER PERSONS  SUBJECT TO THESE ANTI -DOPING RULES.............  ................................ ................................ ................................ ................................ ..........................  63 ARTICLE 2 3  INTERPRETATION OF THE CODE  ................................ ................................ ................................ ........  66 ARTICLE 2 4  FINAL  PROVISION  ................................ ................................ ................................ ..............................  67 APPEND IX 1 - DEFINITIONS  ................................ ................................ ................................ ................................ .......  70           FIS Anti -Doping Rules  page  6 Edition January 2021  INTRODUCTION  Preface  These Anti -Doping Rules are adopted and implemented in accordance with FIS's responsibilities under the World Anti -Doping Code (“the Code ”), and in furtherance of FIS's continuing efforts to eradicate doping in sport.