California Code, Welfare and Institutions Code - WIC § 7204

(a) Grounds privileges or passes may be earned by patients, whose placement has been required pursuant to the Penal Code, at all state hospitals. Grounds privileges shall be restricted to areas of the state hospital that are designated as secured campus areas.

(b) Off-ground privileges or passes shall not be granted to patients, whose placement has been required pursuant to the Penal Code, at state hospitals. When a patient whose placement has been required pursuant to the Penal Code leaves a state hospital for any purpose other than discharge, the patient shall be accompanied by staff at all times.