Cal. Penal Code § 13519.2

(a) The commission shall, on or before July 1, 1990, include in the basic training course for law enforcement officers, adequate instruction in the handling of persons with developmental disabilities or mental illness, or both. Officers who complete the basic training prior to July 1, 1990, shall participate in supplementary training on this topic. This supplementary training shall be completed on or before July 1, 1992. Further training courses to update this instruction shall be established, as deemed necessary by the commission. (b) The course of instruction relating to the handling of developmentally disabled or mentally ill persons shall be developed by the commission in consultation with appropriate groups and individuals having an interest and expertise in this area. In addition to providing instruction on the handling of these persons, the course shall also include information on the cause and nature of developmental disabilities and mental illness, as well as the community resources available to serve these persons.