Cal. Health & Safety Code § 11832.8

(a) An alcohol or other drug program shall adopt policies and procedures that are consistent with this chapter and any regulations adopted pursuant to this chapter.
(b) All policies and procedures shall be kept in an operation manual and address and include, at a minimum, all of the following:
1. (1) Admission and discharge.
2. (2) Client rights.
3. (3) Services.
4. (4) Medications.
5. (5) Staff and client code of conduct.