]ARTICLE 21  Additional Roles and Responsibilities  of Athletes and Other PersonsWorld Anti-Doping Code 202113721.1.7 To disclose the identity of their Athlete Support Personnel upon request by any Anti-Doping Organization with authority over the Athlete.21.2 Roles and Responsibilities of Athlete Support Personnel21.2.1 To be knowledgeable of and comply with all anti-doping policies and rules adopted pursuant to the Code and which are applicable to them or the Athletes whom they support.21.2.2 To cooperate with the Athlete Testing program.21.2.3 To use their influence on Athlete values and behavior to foster anti-doping attitudes.21.2.4 To disclose to their National Anti-Doping Organization and International Federation any decision by a non-Signatory finding that they committed an anti-doping rule violation within the previous ten (10) years.21.2.5 To cooperate with Anti-Doping Organizations investigating anti-doping rule violations.11021.2.6 Athlete Support Personnel shall not Use or Possess  any Prohibited Substance or Prohibited Method without valid justification.111110 [Comment to Article 21.2.5: Failure to cooperate is not an anti-doping rule violation under the Code, but it may be the basis for disciplinary action under a Signatory’s rules.