Cal. Bus. & Prof. Code § 4826.5

Notwithstanding any other law, a licensed veterinarian, registered veterinary technician, or veterinary assistant controlled substance permitholder under the supervision of a licensed veterinarian may compound drugs for animal use pursuant to Section 530 of Title 21 of the Code of Federal Regulations and in accordance with regulations promulgated by the board. The regulations promulgated by the board shall, at a minimum, address the storage of drugs, the level and type of supervision required for compounding drugs by a registered veterinary technician or a veterinary assistant controlled substance permitholder, and the equipment necessary for the safe compounding of drugs. Any violation of the regulations adopted by the board pursuant to this section shall constitute grounds for an enforcement or disciplinary action.