18.4  All National Federations shall take appropriate action to enforce compliance with the Code , International Standards , and these Anti -Doping Rules by inter alia :  (i) conducting Testing  only under the doc umented authority of WAKO  and using their National Anti -Doping Organization or other Sample collection authority to collect Samples  in compliance with the International Standard  for Testing and Investigations;   (ii) recognizing the authority of the National An ti-Doping Organization in their country in accordance with Article 5.2.1 of the Code and assisting as appropriate with the National Anti -Doping Organization’s implementation of the national Testing program for th eir sport;   (iii) analysing  all Samples  collected using a WADA -accredited o r WADA -approved laboratory in accordance with Article 6.1; and   (iv) ensuring that any national level anti -doping rule violation cases discovered by National Federations  are adjudicated by an Operationally Independent  hearing panel in a ccordance with Article 8.