New Jersey Statutes Title 40A. Municipalities and Counties 40A § 9-82

When the office of register of deeds and mortgages is established in any county and such a register therein has been elected, all official records, documents, papers or writings which are in the custody of the county clerk and would have been filed or deposited with the register of deeds and mortgages had there been one in office, shall be transferred by the county clerk to the said register of deeds and mortgages who shall give a receipt therefor.