New Jersey Statutes Title 54. Taxation 54 § 4-58

No tax, assessment or water rate imposed or levied in this state shall be set aside or reversed in any action, suit or proceeding for any irregularity or defect in form, or illegality in assessing, laying or levying any such tax, assessment or water rate, or in the proceeding for its collection if the person against whom or the property upon which it is assessed or laid is, in fact, liable to taxation, assessment or imposition of the water rate, in respect to the purposes for which the tax, assessment or rate is levied, assessed or laid.