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 s uch Athletes , to agree to be bound by these Anti -Doping Rules and to submit to the Results Management  authority of the Anti -Doping Organization in conformity with the Code  as a condition of such participation.