5.6 When a National Anti -Doping Organization grants a TUE to an Athlete, it must warn him/her in writing that (a) the TUE is valid at national level only, and (b) if the Athlete becomes an International -Level Athlete or competes in an International Event , that TUE will not be valid for those purposes unless it is recognized by the relevant International Federation or Major Event Organization in accordance with Article 7.0.