N.J. Stat. § 59:6-6: Determinations in accordance with applicable enactments

a. Neither a public entity nor a public employee is liable for any injury resulting from determining in accordance with any applicable enactment:

(1) whether to confine a person for mental illness or drug dependence;

(2) the terms and conditions of confinement for mental illness or drug dependence;

(3) whether to parole, grant a leave of absence to, or release a person from confinement for mental illness or drug dependence.

L.1972, c. 45, s. 59:6-6.