New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 6-54

a. This act shall not apply with respect to any motor vehicle owned by the United States, this State or any political subdivision of this State or any municipality therein; nor with respect to any motor vehicle which is subject to the requirements of law requiring insurance or other security on certain types of vehicles, other than the requirements of P.L.1972, c. 70 (C. 39:6A-1 et seq.) or P.L.1972, c. 197 (C. 39:6B-1 et seq.).

b. Notwithstanding the provisions of subsection a. to the contrary, the commissioner may issue a certificate of self-insurance to any public entity or group of public entities upon receipt of a resolution from the public entity or group of public entities that they have established a self-insurance program or a group self-insurance program, as the case may be.