Article 3 – Means to achieve th e purpose of the Convention In order to achieve the purpose of the Convention, States Pa rties undertake to: (a) adopt appropriate measures at the na tional and internationa l levels which are consistent with the principles of the Code; – 5 – (b) encourage all forms of in ternational cooperation aimed at protecting athletes and ethics in sport and at sharing the results of research; (c) foster international coop eration between States Partie s and leading organizations in the fight against doping in sport, in  particular with the World Anti-Doping Agency.