18.5 All National Federations  shall establish rules requiring all Athlete s preparing for or participating  in a Competition  or activity authorized or orga nized 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 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.