R.I. Gen. Laws § 39-14.3-2

Every person owning or operating a motor vehicle engaged in providing non-emergency medical transportation is declared a common carrier and subject to the jurisdiction of the division. The division may prescribe any rules and regulations that it deems proper to ensure adequate, economical, safe, and efficient service regulated under this chapter. Moreover, the executive office of health and human services shall determine reasonable vehicle standards to ensure NEMT vehicles are of satisfactory condition, age, and mileage to be used to transport NEMT passengers in a safe, sanitary, and acceptable manner.