18.5 All National Federations and t he PSA shall establish rules requiring all Athlete s preparing for or participating in a Competition  or activity authorised or organised by a National Federation , one of its member organisations or the PSA 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 WSF in conformity with t he Code as a condition of such participation.