18.5 All National Federations  shall establish rules requiring all Athlete s preparing for or participating in a Competition  or activity authorized or organized by a National  Federation  or one of its  member organizations, and all Athlete Support Personnel  associated with such Athletes , to agree to be bound by these Anti -Doping Rule s and to submit to the Results Management  authority of the Anti-Doping Organization in conformity  with the Code  as a condi tion of such participation.