N.J. Stat. § 46:24-15: Order and time of entry of instruments in local or block indexes

The county recording officer of any county in which local or block indexes shall be adopted shall enter every instrument received by him for record or registration on the local index in his office, in the order of its receipt by him, under the block within which the land affected lies, in the manner provided by this chapter, or under which such instrument is directed to be indexed, within three days after such receipt.