(a) Registered veterinary technicians and unregistered assistants are approved to perform those animal health care services prescribed by law under the supervision of a veterinarian licensed or authorized to practice in this state.
(b) Registered veterinary technicians may perform animal health care services on those animals impounded by a state, county, city, or city and county agency pursuant to the direct order, written order, or telephonic order of a veterinarian licensed or authorized to practice in this state.
(c) Registered veterinary technicians may apply for registration from the federal Drug Enforcement Administration that authorizes the direct purchase of sodium pentobarbital for the performance of euthanasia as provided for in subdivision (d) of Section 4827 without the supervision or authorization of a licensed veterinarian.