Non-emergency Presentation. A veterinarian may choose whom he will serve. Once a veterinarian has undertaken care of a patient, and a veterinarian-client-patient relationship has been established, the veterinarian may not neglect the patient. Emergency Presentation. In an emergency, a veterinarian should render service to the best of the veterinarian’s ability, but this does not require a veterinarian to accept financial responsibility for the care and treatment of any animal. The following procedures may be performed during an emergency without such actions constituting the establishment of a veterinarian-client-patient relationship: Initial evaluation; Diagnostics to assist in the initial evaluation; or Initial treatments to stabilize a patient.