ISL – January 2021 Page 113 of 160 Authority , the Results Management  Authority  or WADA (in writing and within the applicable storage period as defined in this Art icle 5.3.11.2) that the analysis of a whole blood Sample  is challenged, disputed or under investigation, the Laboratory  shall retain both the “A” and “B” Samples  until further notice by the Testing  Authority , the Results Management  Authority  or WADA , as applicable 19.