World Karate Federation (WKF) Anti -Doping Rules – in effect as of 1st January 2021  Page 30 of 66     10.2.1.1   The anti -doping rule violation does not involve a Specified Substance  or a Specified Method , unless the Athlete  or other Person  can establish that the anti -doping rule viol ation was not intentional.39  10.2.1.2   The anti -doping rule violation involves a Specified Substance  or a Specified Method  and the WKF  can establish that the anti -doping rule violation was intentional.