]22 / IWF 2021 ANTI-DOPING RULES›  IWF 2021 ANTI-DOPING RULESARTICLE 6ANALYSIS OF SAMPLESSamples  shall be analyzed in accordance with the following principles:6.1 Use of Accredited, Approved Laboratories and Other Laboratories6.1.1   For purposes of directly establishing an Adverse Analytical Finding  under Article 2.1, Samples  shall be analyzed only in WADA -accredited laboratories or laboratories otherwise approved by WADA .