If the Athlete orother Person establishes that a departure fromanother International Standard or other anti-doping rule or policy which could reasonablyhave caused the Adverse Analytical Finding or[Comment to Article 3.2.1: The burdenis on the Athlete or other Person toestablish, by a balance of probability,a departure from the InternationalStandard for Laboratories that couldreasonably have caused the AdverseAnalytical Finding.