New Jersey Statutes Title 19. Elections 19 § 63-27

No person shall take a mail-in ballot from a voter or other person having custody of it for the purpose of delivering it to the county board of elections or to a postal box or post office, nor shall any voter permit any person to do so, unless the ballot is sealed in the outer envelope and the person who transports or delivers it first signs and prints his or her name on the outer envelope. No other person shall attempt to do any of the foregoing.