IWWF Anti -Doping Rules 2021   Page 13 of 88 Pages  If the Athlete  or other Person  rebuts the preceding presumption by showing that a departure from the International Standard for Laboratories occurred which could reasonably have caused the Adverse Analytical Finding , then IWWF shall have the burden to establish that such departure did not cause the Adverse Analytical Finding .14  3.2.3   Departures from any other International Standard  or other anti-doping rule or policy set forth in the Code or these Anti -Doping Rules shall no t invalidate analytical results or other evidence of an anti -doping rule violation, and shall not constitute a defense to an anti -doping rule violation;15 provided, however, if the Athlete  or other Person  establishes that a departure from one of the specifi c International  Standard provisions listed below could reasonably have caused an anti -doping rule violation based on an Adverse Analytical Finding  or whereabouts failure, then IWWF  shall have the burden to establish that such departure did not cause the Adverse Analytical Finding or the whereabouts failure:   (i)  a departure from the International Standard for Testing  and Investigations related to Sample  collection or Sample  handling which could reasonably have caused an anti -doping rule violation based on an Adverse Anal ytical Finding , in which case IWWF shall have the burden to establish that such departure did not cause the Adverse Analytical Finding ;  (ii)  a departure from the International Standard  for Results Management  or International Standard  for Testing  and Inve stigations related to an Adverse Passport Finding  which could reasonably have caused an anti -doping rule violation, in which case IWWF shall have the burden to establish that such departure did not cause the anti -doping rule violation;   (iii)  a departure  from the International Standard for Results Management  related to the requirement to  14  [Comment to Article 3.2.2: The burden is on the Athlete or other Person to establish, by a balance of probability, a departure from th e International Standard for Laboratories that could reasonably have caused the Adverse Analytical Finding.