Provided, however, there shall be no anti -doping rule violation based   WADA 2021 IF Model Rules ( December  2019)   Page 67 of 69   solely on Possession  if, prior to receiving notification of any kind that the Person has committed an anti -doping rule violation, the Person  has taken concrete action demonstrating that the Person  never intended to have Possession  and has renounced Possession  by explicitly declaring it to an Anti-Doping Organization .