New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 3-54.7

a. An active member in good standing of any of the following organizations may mount and operate, on a motor vehicle operated by that member, an emergency warning light or lights as provided in P.L.1977, c. 223 (C.39:3-54.7 et seq.):

b. The Chief Administrator of the New Jersey Motor Vehicle Commission shall not require the member to specify on which motor vehicles the emergency warning light or lights may be mounted.