Cal. Gov. Code § 6601

When any person confined in any state home, reformatory, hospital, state prison, or other institution dies, escapes, or is discharged or paroled from the home, reformatory, hospital, state prison, or other institution, and any of his personal funds or property remains in the hands of the superintendent of the home, reformatory, hospital, or other institution, or the warden of the prison, the superintendent or warden may make a monthly charge for the safekeeping of the funds or property.