R.I. Gen. Laws § 31-24-21: Lighting of farm tractors.

Every farm tractor equipped with an electric lighting system shall at all times mentioned in § 31-24-1 display a red tail lamp and either multiple beam or single beam head lamp equipment meeting the requirements of §§ 31-24-7 — 31-24-9, 31-24-22, and 31-24-24. Violations of this section are subject to fines enumerated in § 31-41.1-4.