N.J. Stat. Ann. § 40:37-10.2

7. Nothing in this article contained shall be construed to make any shade tree commission or a member thereof, or any volunteer participating in a community forestry program as provided for by section 4 of P.L.1996, c.135 (C.13:1L-17.4), responsible for the death or injury of any person, or for an injury to any property or highway tree or shrub. Liability for any such death or injury shall be governed by the provisions of section 16 of P.L.1996, c.135 (C.59:4-10) and any other relevant provisions of the "New Jersey Tort Claims Act," N.J.S.59:1-1 et seq.