N.J. Stat. Ann. § 54:4-63.20

Taxes assessed upon omitted property shall be payable on the first day of November following the rendering of the judgment of assessment by the county board of taxation; provided, such judgment be rendered before October first of that year. When the judgment of the county board of taxation is rendered subsequent to October first and prior to December thirty-first, the taxes assessed upon omitted property shall be payable on the first day of November in the following year. After the date when such taxes become payable, if unpaid, they shall become delinquent. Any such taxes, if upon real property, shall become a lien upon the real property assessed, from January first of the year in which the judgment of the county board of taxation shall be rendered.