California Code, Business and Professions Code - BPC § 4826.3

(a) Notwithstanding any law, a veterinary technician, veterinary assistant, and veterinary assistant controlled substances permitholder registered in this state shall wear a name tag identification in at least 18 point type in any area of the veterinary premises that is accessible to members of the public.  The name tag shall include the veterinary technician, veterinary assistant, and veterinary assistant controlled substances permitholder's name, and, if applicable, the license, registration, or permit type and number issued by the board.

(b) A person subject to the requirement in subdivision (a) may remove the name tag when working with or handling animal patients.

(c) This section shall become operative on January 1, 2023.