Requires veterinarians to provide a written prescription, upon the request of a client, for any animal patient of a client with whom the veterinarian has established an existing veterinarian-client-patient relationship to be filed at the pharmacy of the client's choosing. Allows pharmacies licensed in the State to dispense medications prescribed by veterinarians. Authorizes the Hawaii Board of Veterinary Medicine to establish penalties, which may include fines or suspension or revocation of a license. (SD1)