This includes Athletes who have retired as Athletes under Article 1.2.4 but who fall under Article 1.2.1 as Athlete Support Personnel or other Persons and therefore remain subject to these IBU Anti-Doping Rules as Athlete Support Personnel or other Persons.1.3  Responsibilities of Athletes, Athlete Support Personnel, other Persons, and NF Members1.3.1  Athletes must:1.3.1.1  be knowledgeable of and comply with these IBU Anti-Doping Rules at all times;1.3.1.2  know  what constitutes an anti-doping rule violation and the substances and methods that have been included on the WADA Prohibited List;1.3.1.3  be available for Sample collection at all times;[Comment to Article 1.3.1.3: With due regard to an Athlete’s human rights and privacy, legitimate anti-dop-ing considerations sometimes require Sample collection late at night or early in the morning.