N.J. Stat. Ann. § 19:53C-8

14. Nothing in P.L.1999, c.232 (C.19:53C-1 et al.) shall prevent any voter from writing or pasting within the proper title of office in the column designated personal choice, the name or names of any person or persons for whom the voter desires to vote whose name or names are not printed upon the provisional ballot for the same office. The writing shall be in ink or lead pencil, as may be required.