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 documented authority of IFA and using their National Anti-Dopin g 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 Anti -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 their sport;   (iii) analyzing all Samples collected using a WADA -accredited or WADA -approved laboratory in accorda nce 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 accordance with Article 8.1 and the International Standard for Results  Management .