N.J. Stat. § 4:7-17
Whenever complaint is made to the department that a person is maintaining a nuisance as defined in section 4:7-16 of this title, the department shall investigate the truth of the charge, or cause the same to be investigated, as soon as conveniently possible. If after investigation the department decides that a nuisance exists, it shall notify the owner or occupant of the premises of the fact, in writing. The department shall include in the notice a statement of the conditions constituting the nuisance, an order that the same be abated within a specified time, which shall not be less than ten days from the date of the notice nor less than eight days from the date of its service, and a direction written or printed pointing out the methods which should be taken to abate the nuisance. The notice and order may be served personally or by depositing the same in the post office, properly stamped, addressed to the owner or occupant of the land or premises upon which the nuisance exists. The directions for treatment may consist of a printed circular, bulletin or report of the department or of the agricultural experiment station or an extract from the same.
N.J.S. § 4:7-17