15 U.S.C. § 3059
The sale of a covered horse, or of any other horse in anticipation of its future participation in a covered race, shall be considered an unfair or deceptive act or practice in or affecting commerce under section 45(a) of this title if the seller—
(1) knows or has reason to know the horse has been administered—
(Pub. L. 116–260, div. FF, title XII, § 1210, , 134 Stat. 3274.)