New Jersey Statutes Title 19. Elections 19 § 62-8

Prior to transmitting a ballot to the county board of elections, a registered voter shall mark it and place it in the inner envelope. The inner envelope shall then be placed in the outer envelope and that envelope shall be signed and certified by the voter pursuant to instructions provided with the ballot. The voter may return the envelopes containing the marked ballot to the county board by United States mail or by depositing it at the office of the county board or any other place of deposit designated for that purpose. If the voter returns the ballot by United States mail, the voter shall provide the postage.