N.J. Admin. Code § 1:20-18.2
A party to a proceeding before the Appeal Board may, because of extraordinary circumstances, move to reopen the matter after the Appeal Board decision has been rendered. The movant shall state with particularity the grounds claimed and, where applicable, shall specify the portion of the record relied upon. Any motion pursuant to this section shall be filed within 15 days after service of the Appeal Board decision. Copies shall be served on the parties of record, and a statement of service shall be filed with the motion papers. The filing and pendency of a motion for reconsideration shall not operate to stay the effectiveness of the Appeal Board decision unless otherwise ordered by the Appeal Board. A motion to reopen need not be filed to exhaust administrative remedies.
N.J. Admin. Code § 1:20-18.2