California Code, Welfare and Institutions Code - WIC § 5622

(a) A licensed inpatient mental health facility, as described in subdivision (c) of Section 1262 of the Health and Safety Code, operated by a county or pursuant to a county contract, shall, prior to the discharge of any patient who was placed in the facility, prepare a written aftercare plan. The aftercare plan, to the extent known, shall specify the following:

(b) Any person undergoing treatment at a facility under the Lanterman-Petris-Short Act or a county Bronzan-McCorquodale facility and the person's conservator, guardian, or other legally authorized representative shall be given a written aftercare plan prior to being discharged from the facility. The person shall be advised by facility personnel that he or she may designate another person to receive a copy of the aftercare plan.

(c) A copy of the aftercare plan shall be given to any person designated under subdivision (b). A patient who is released from any local treatment facility described in subdivision (c) of Section 1262 of the Health and Safety Code on a voluntary basis may refuse any or all services under the written aftercare plan.