N.J. Stat. Ann. § 40:43-3

The clerk of every county shall, at the expense of the municipality filing the same, record at length in appropriate books in his office to be designated "municipal incorporation records" , the result of any election held after March twenty-eighth, one thousand nine hundred and thirty, on the question of the adoption of any act of municipal incorporation, the consolidation of any municipalities or change of corporate name as well as all papers relating to the incorporation, consolidation, or change of name, of any municipality, when filed in the office of the county clerk.