If a Laboratory  is to conduct additional analysis on an “A” Sample or “B” Sample after an analytical result for that Sample has been reported (for example: additional Sample analysis to detect EPO, or GC/C/IRMS analysis, or analysis in connection with the A thlete Biological Passport or additional analysis on a stored Sample) it may do so after receiving approval from the Testing Authority  or Results Management Authority  (if different) or WADA.