N.J. Stat. Ann. § 54:4-63.5

On October first following the assessor shall file the added assessment list and a true copy thereof, to be called the assessor's added assessment duplicate, with the county board of taxation. The county board of taxation shall meet for the purpose of examining, revising and correcting the added assessment list and duplicates, and on or before October tenth in each year cause the corrected, revised and completed duplicates, certified by it to be a true record of the added taxes assessed, to be delivered to the collectors of the various taxing districts in the county, and the added assessment lists shall remain in the office of the board as a public record.