N.J. Stat. Ann. § 30:4C-29.3

The clerk or register of deeds and mortgages of the county, or the clerk of the Superior Court, as the case may be, shall provide suitable books in which all certificates of lien and other papers incidental thereto shall be received and recorded without the payment of any fee, which books shall be properly indexed in the name of the person or persons against whom the lien is claimed.