Wash. Admin. Code § 260-70-550
(2) Only medications and drugs prescribed or dispensed by a veterinarian licensed to practice veterinary medicine in this jurisdiction may be on the grounds of a racing association during its licensed race meet or training periods. All medications must have a prescription label attached with the following:
[Statutory Authority: RCW 67.16.020 and 67.16.040. WSR 07-07-036, § 260-70-550, filed 3/12/07, effective 4/12/07; WSR 06-09-009, § 260-70-550, filed 4/10/06, effective 5/11/06; WSR 05-07-067, § 260-70-550, filed 3/11/05, effective 4/11/05. Statutory Authority: RCW 67.16.040. WSR 96-10-001, § 260-70-550, filed 4/17/96, effective 5/18/96.]