N.J. Stat. § 26:4-84
Whenever the local board or any officer or inspector thereof has reason to believe or has been notified by the State Department that there is danger that rabies may spread within the jurisdiction of such board, such board, officer or inspector shall serve a notice, in writing, upon all persons within the jurisdiction of such board, so far as the same may be known to the board or to such officer or inspector thereof, owning or having charge of any dog, requiring such person to confine such dog, or such board, officer or inspector in lieu of serving such notice, in writing, may cause a notice to be published in the official newspaper of such municipality. Other animals may be included in the order whenever, in the opinion of such board, this is necessary.
Whenever the State Department has knowledge that any case of rabies exists among dogs or other domestic animals, within the State, and in its judgment the disease is liable to spread, the department may issue an order requiring any local board to order animals confined as provided in this section, and to cause its provisions to be enforced, by appropriate proceedings either in law or in equity.
N.J.S. § 26:4-84