WADA 2021 IF Model Rules ( December  2019)   Page 13 of 69    World Lacrosse  shall have the burden to establish that such departure did not cause the Adverse Analytical Finding ;16  (iv) a departure from the International Standard  for Results Management  related to Athlete  notification which could reasonably have caused an anti-doping rule violation based on a whereabouts failure, in which case World Lacrosse  shall have the burden to establish that such departure did not cause the whereabouts failure.