20.4   To inform medical personnel of their obligation not to Use Prohibited Substances and Prohibited Methods  and to take responsibility to make sure that any medical treatment received does not violate these Anti-Doping Rules.20.5   To disclose to IWF and their National Anti-Doping Organization  any decision by a non- Signatory  finding that the Athlete  committed an anti-doping rule violation within the previous ten (10) years.20.6   To cooperate with Anti-Doping Organizations  investigating anti-doping rule violations.