5.2  Authority to testINTERNATIONAL BIATHLON UNION  02I INTEGRITY CODE02I 33VERSION 2021  5.2.1  Subject to the limitations for Event Testing set out in Article 5.3, the BIU on behalf of the IBU will have In-Competition and Out-of-Competition Testing authority over all of the Athletes specified in Article 1.2 of these IBU Anti-Doping Rules.