California Code, Health and Safety Code - HSC § 11756.5

(a) An alcoholism or substance use disorder recovery or treatment facility licensed under this division or an alcohol or other drug program certified by the department in accordance with the alcohol or other drug certification standards established pursuant to Section 11830.1 shall assess each patient or client for use of all tobacco products at the time of the initial intake. This assessment shall include questions recommended in the most recent version of the Diagnostic and Statistical Manual of Mental Disorders under tobacco use disorder, or similar evidence-based guidance, for determining that an individual has a tobacco use disorder.

(b) For a patient or client with tobacco use disorder, a licensed facility or certified program, as described in subdivision (a), shall do all of the following:

(c) For purposes of this section, “tobacco products” has the same meaning as in Section 22950.5 of the Business and Professions Code.