Oregon Revised Statutes Public Health and Safety § 462.430

(1) No person shall influence or conspire or attempt to influence or conspire with any other person to affect the result of any race in which an animal participates by stimulating or depressing any animal involved in such race or otherwise affecting in any way the animal's ability to perform therein, either prior to or during a race, through the administration of any drug to such animal, or by the use of any electrical device or equipment or by any mechanical or other device not sanctioned by the Oregon Racing Commission.

(2) Possession, within the confines of a race course, of any electrical device or equipment or of any mechanical or other device not sanctioned by the commission, either prior to, during or after a race, by a person associating with a racing animal, shall be deemed as attempting to affect the result of any race.

(3) No person shall possess, transport or use, within the confines of a race course, any syringe or needle used for medication purposes or any electrical, mechanical or other device, unless sanctioned by the commission or the stewards, which could affect the racing performance of an animal.