Every tail lamp upon every vehicle shall be located at a height of not more than seventy-two inches (72") nor less than twenty inches (20") to be measured as set forth in § 31-24-3. Violations of this section are subject to fines enumerated in § 31-41.1-4.
Height of tail lamps
R.I. Gen. Laws § 31-24-8., under Chapter 31-24 Lighting Equipment and Reflectors.
R.I. Gen. Laws § 31-24-8.