N.J. Stat. § 26:8-45
If a marriage or a civil union has been declared void by the Superior Court in an action instituted for that purpose and the court is satisfied by the proof taken before the final judgment or by affidavit or otherwise after the final judgment that a record of the marriage or civil union is filed with the State registrar, it may order the record to be canceled.
It shall not be necessary to make the custodian of the record a party to the cause.
The order need only recite that there was a ceremony of marriage or civil union between parties to the cause (naming them), performed on (date) by (naming the officer) and that by a final judgment entered on (date), the marriage or civil union was declared void and may then direct that the said record be canceled.
N.J.S. § 26:8-45