Rhode Island General Laws Title 40.1. Behavioral Healthcare, Developmental Disabilities and Hospitals § 40.1-5-12. Habeas corpus and other remedies

(1) An alleged insufficiency or illegality of the proceedings leading to the patient's certification not previously litigated on appeal;

(2) Although the certification proceedings were proper, the patient's continued detention or hospitalization or the form of his or her hospitalization is not warranted under the provisions of this chapter;

(3) The absence of a planned and adequate treatment program to meet the needs of the patient.