IRF 2021 Anti-Doping Rules Page 11 of 68    Facts related to anti-doping rule violations may be established by any reliable means, including admissions.12 The following rules of proof shall be applicable in doping cases:  3.2.1  Analytical methods or Decision Limits approved by WADA after consultation within the relevant scientific community or which have been the subject of peer review are presumed to be scientifically valid.