N.J. Stat. Ann. § 54:5-19.6

5. The municipal tax collector of the qualified municipality shall provide the property tax lien management service contractors with any and all information as the tax collector may have available that is related to tax liens, and shall make available records of the tax collector's office accessible to the contractor as the contractor may require. Nothing in P.L.2001, c.266 (C.54:5-19.2 et seq.) shall supersede the responsibility of the tax collector to collect and record property tax receipts and manage those responsibilities statutorily assigned to the tax collector.