14 C.F.R. § 91.507 Equipment requirements: Over-the-top or night VFR operations.
Title 14 - Aeronautics and Space
No person may operate an airplane over-the-top or at night under VFR unless that airplane is equipped with the instruments and equipment required for IFR operations under §91.205(d) and one electric landing light for night operations. Each required instrument and item of equipment must be in operable condition.
Title 14: Aeronautics and Space
PART 91—GENERAL OPERATING AND FLIGHT RULES
Subpart F—Large and Turbine-Powered Multiengine Airplanes and Fractional Ownership Program Aircraft
§ 91.507 Equipment requirements: Over-the-top or night VFR operations.