California Code, Welfare and Institutions Code - WIC § 5121

(a) The county behavioral health director may develop procedures for the county's designation and training of professionals who will be designated to perform functions under Section 5150. These procedures may include, but are not limited to, the following:

(b) A county behavioral health director may develop a training for the procedures for designation developed pursuant to subdivision (a).

(c) If a county behavioral health director denies or revokes an individual's designation, the county behavioral health director shall, in writing, notify the person who made the request for designation of the individual and the individual who is the subject of the request for designation describing the reasons for denial or revocation.

(d) Designated members of a mobile crisis team and designated professional persons shall not be prohibited from transporting a person taken into custody pursuant to Section 5150.

(e) If the county behavioral health director of the County of Sacramento develops procedures pursuant to subdivision (a), the county behavioral health director of the County of Sacramento shall, by April 1, 2022, issue a written policy regarding the procedures developed pursuant to subdivision (a). The policy shall address, at a minimum, the topics identified in paragraphs (1) to (4), inclusive, of subdivision (a). The policy shall require the county behavioral health director of the County of Sacramento to designate individuals employed by the City of Sacramento who are also members of a mobile crisis team or who are also professional persons if all of the following are true: