[Comment to Possession: Under this definition, anabolic steroids found in an Athlete’s car would consti-tute a violation unless the Athlete establishes that someone else used the car; in that event, the BIU must establish that, even though the Athlete did not have exclusive control over the car, the Athlete knew about INTERNATIONAL BIATHLON UNION  02I INTEGRITY CODE02I 71VERSION 2021  the anabolic steroids and intended to have control over them.