Section 29.8 Of Title 1. Of Persons Liable To Punishment For Crime From California Penal Code >> Title 1. >> Part 1.

. In any criminal proceeding in which a plea of not guilty by reason of insanity is entered, this defense shall not be found by the trier of fact solely on the basis of a personality or adjustment disorder, a seizure disorder, or an addiction to, or abuse of, intoxicating substances. This section shall apply only to persons who utilize this defense on or after the operative date of the section.