Cal. Bus. & Prof. Code § 4826.6
(a) A veterinarian shall not prescribe, dispense, or administer a drug, medicine, application, or treatment of whatever nature for the prevention, cure, or relief of a wound, fracture, bodily injury, or disease of animals unless a veterinarian-client-patient relationship exists or as otherwise permitted by law, except when the animal patient is a wild animal or the owner of the animal patient is unknown. A veterinarian-client-patient relationship exists if all of the following conditions are met:
(b) A veterinarian possesses sufficient knowledge of the animal patient for purposes of paragraph (2) of subdivision (a) if the veterinarian has recently seen, or is personally acquainted with, the care of the animal patient by doing any of the following:
(g) Before delivering veterinary medicine via telehealth, the veterinarian shall inform the client about the use and potential limitations of telehealth and obtain consent from the client to use telehealth, including acknowledgment of all of the following:
(h) A veterinarian who practices veterinary medicine via telehealth shall do all of the following:
(i)