N.J. Stat. § 17B:27A-19.12
Every small employer health benefits plan that provides hospital or medical expense benefits and is delivered, issued, executed or renewed in this State pursuant to P.L. 1992, c.162 (C.17B:27A-17 et seq.), or approved for issuance or renewal in this State 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 a covered person for a covered person'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 all policies or contracts in which the carrier has reserved the right to change the premium.
N.J.S. § 17B:27A-19.12