N.J. Stat. Ann. § 26:8A-4.1

91. On or after the effective date of this act, no domestic partnerships shall be registered under P.L.2003, c. 246 (C.26:8A-1 et al.), except that two persons who are each 62 years of age or older may establish a domestic partnership pursuant to the provisions of P.L.2003, c.246 (C.26:8A-1 et al.). This act shall not alter the rights and responsibilities of domestic partnerships existing before the effective date of this act, except that eligible domestic partners shall be given notice and opportunity to enter into a civil union pursuant to the provisions of this act. Entry into a civil union, when joined by both parties to an existing domestic partnership, shall operate to terminate the domestic partnership.