Further Analysis of a  Sample  After it has been Reported as Negative or has Otherwise not Resulted in an Anti -Doping Rule Violation Charge  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 .