New Jersey Statutes Title 17B. Insurance 17B § 27-46.1d

a. Notwithstanding any other provision of law to the contrary, no group health insurance policy issued by an insurer pursuant to the provisions of Chapter 27 of Title 17B of the New Jersey Statutes, shall contain any provision which denies benefits for a preexisting condition to any person becoming a member of that group if: (1) during the period immediately preceding the person's becoming a member of the group the person was enrolled as a member under another group policy issued by the insurer; and (2) the insurer paid benefits for the condition under the group policy in which the person was previously insured.

b. Nothing in this section shall be construed to operate to add any benefit, to increase the scope of any benefit, or to increase any benefit level under any group policy.

c. This section shall apply to every group contract or policy in which the corporation or insurer has the right to change the premium.