R.I. Gen. Laws § 40.1-5-35: Support of poor or indigent patients.

The director may maintain without charge or defray the expense of care and treatment of such poor or indigent persons as are mentally disabled patients under treatment in accordance with the provisions of this chapter, who may have been admitted or certified to any facility under the provisions hereof. No person shall be denied care and treatment under the provisions of this chapter at any facility maintained by the state because he or she is unable to pay for the care and treatment.