California Code, Welfare and Institutions Code - WIC § 5653

(a) Optimum use shall be made of appropriate local public and private organizations, community professional personnel, and state agencies. Optimum use shall also be made of federal, state, county, and private funds that may be available for mental health planning.

(b) In order that maximum utilization be made of federal and other funds made available to the Department of Rehabilitation, the Department of Rehabilitation may serve as a contractual provider under the provisions of a county plan of vocational rehabilitation services for persons with mental health disorders.