5.8 Investigations and Intelligence Gathering  anti-doping organizations shall ensure they are able to do each of the following, as applicable and in accordance with the international Standard for Testing and investigations: 5.8.1  Obtain, assess and process anti-doping intelligence from all available sources to inform World Anti-Doping Code • 201543the development of an effective, intelligent and proportionate test distribution plan, to plan target testing, and/or to form the basis of an investigation into a possible anti-doping rule violation(s); and 5.8.2  investigate atypical findings and adverse Passport findings, in accordance with Articles 7.4 and 7.5 respectively; and 5.8.3   i nvestigate any other analytical or non-analytical information or intelligence that indicates a possible anti-doping rule violation(s), in accordance with Articles 7.6 and 7.7, in order either to rule out the possible violation or to develop evidence that would support the initiation of an anti-doping rule violation proceeding.ARTICLE 6  ANALYSIS OF SAMPLESSamples shall be analyzed in accordance with the following principles:6.1 Use of Accredited and Approved Laboratories  For purposes of Article 2.1, Samples shall be analyzed only in Wada-accredited laboratories or laboratories otherwise approved by Wada.