Cal. Welf. & Inst. Code § 7513.2

The State Department of Developmental Services shall collect all the costs and charges mentioned in Section 7513 and may take such action as is necessary to effect their collection within or without the state. The Director of Developmental Services may, however, at his or her discretion, refuse to accept payment of charges for the care and treatment in a state hospital of any developmentally disabled person who is eligible for deportation by the federal immigration authorities.