The Doping Control Officer (or other doping control official) will notify the athlete that he/she has been selected for doping control.

Each athlete has the right to participate in the sampling procedure with his representative - a coach, a member of the sports and technical team, a relative, friend or other person of his choice ....

Sample collection is the part of the doping control process where an athlete’s urine and/or blood sample is collected by qualified doping control personnel.