WBF  2021 Anti -Doping Rules  Page 23 of 67     After a laboratory has reported a Sample  as negative, or the Sample  has not otherwise resulted in an anti -doping rule violation charge, it may be stored and subjected to further analyses for the purpose of  Article 6.2 at any time exclusively at the direction of either the Anti-Doping Organization  that initiated and directed Sample  collection  or WADA .