1. Short title This Act may be cited as the Racehorse Doping Ban Act of 2019 . 2. Definitions In this Act: (1) Interstate off-track wager; horsemen's group; host racing association; off-track betting system The terms interstate off-track wager , horsemen's group , host racing association , and off-track betting system have the meanings given those terms in section 3 of the Interstate Horseracing Act of 1978 ( 15 U.S.C. 3002 ). (2) Veterinarian-client-patient relationship The term veterinarian-client-patient relationship has the meaning of that term as used in the Principles of Veterinary Medical Ethics of the American Veterinary Medical Association (as in effect on the date of the enactment of this Act). 3. Independent anti-doping organization for interstate horseracing (a) In general There shall be an independent anti-doping organization with responsibility for ensuring the integrity and safety of horseraces that are the subject of interstate off-track wagers. (b) Duties The duties of the independent anti-doping organization referred to in subsection (a) with respect to horseraces described in that subsection are the following: (1) Developing, publishing, and maintaining rules with respect to— (A) substances, methods, and treatments that may not be administered to a horse participating in such a horserace; (B) substances, methods, and treatments that may be administered to a horse participating in such a horserace in the context of a veterinarian-client-patient relationship