N.J. Stat. § 26:2J-4.27
Every health maintenance organization contract that is delivered, issued, executed or renewed in this State pursuant to P.L. 1973, c.337 (C.26:2J-1 et seq.) or approved for issuance or renewal in this State by the Commissioner of Banking and Insurance, on or after the effective date of P.L. 2003, c. 246(C.26:8A-1 et al.), under which dependent coverage is available, shall offer dependent coverage to an enrollee for an enrollee's domestic partner. For the purposes of this section, "domestic partner" means a domestic partner as defined in section 3 of P.L. 2003, c. 246(C.26:8A-3).
The provisions of this section shall apply to contracts in which the health maintenance organization has reserved the right to change the schedule of charges.
N.J.S. § 26:2J-4.27