R.I. Gen. Laws § 23-17-45
The director is authorized to establish through regulation quality and volume related standards to be achieved and maintained for specific tertiary health care services offered by individual licensed health care facilities where peer reviewed medical and health literature establishes significant relationships between desired quality related outcomes and volume of services provided. The standards shall include time frames for achieving stipulated volumes of services. In developing the standards the director shall seek input from affected providers and the public at large. The director may accept in regulation the standards of and the accreditation from recognized national accrediting entities in lieu of standards and assessments otherwise developed pursuant to this section.
R.I. Gen. Laws § 23-17-45