N.J. Stat. § 19:23-47: Preparation and casting of ballots

Such voter shall thereupon prepare and cast his ballot in substantially the same manner as is herein provided for the preparation and casting of ballots at the general election and subject to the same regulations. The blank space or spaces under each title of office or party position shall be used for the writing in or pasting of names in the same manner as is provided for voting in the personal choice column of the general election ballot.