Similarly, IFA’s violation of the document referenced in Article 20.7.7 of the Code shall not constitute a defense to an anti -doping rule violatio n.]  15  [Comment to Article 3.2.3 (iii): IFA would meet its burden to establish that such departure did not cause the Adverse Analytical Finding by showing that, for example, the B Sample opening and analysis were observed by an independent witness and no irregularities were observed.]