California Code, Welfare and Institutions Code - WIC § 5699.2

(a) A child who is a ward or dependent of the juvenile court pursuant to Section 300, 601, or 602 and is placed out-of-home.

(b) A child who is a special education pupil defined in paragraph 8 of subdivision (b) of Section 300.5 of Title 34 of the Code of Federal Regulations and is receiving residential care pursuant to an individual educational program. This section also includes special education pupils through age 21 identified in paragraph (4) of subdivision (c) of Section 56026 of the Education Code.

(c) An inpatient in a psychiatric hospital, psychiatric health facility, or residential treatment facility receiving services either on a voluntary or involuntary basis.

(d) An outpatient receiving intensive non-24-hour mental health treatment, such as day treatment or crisis services who is “at risk” of psychiatric hospitalization or out-of-home placement for residential treatment.