75  [Comment to Athlete: Individuals who participate in sport may fall in one of five categories: 1) International -Level Athlete, 2) National -Level Athlete, 3) individuals who are not International - or National -Level Athletes but over whom the International Federation  or National  Anti-Doping  Organization  has chosen  to exercise  authority,  4) Recreational  Athlete,  and 5) individuals  over whom  no International  Federation  or National  Anti-Doping  Organization  has, or has chosen  to, exercise  authority.