N.J.A.C. 13:54-1.10
(a) A firearms purchaser identification card may be revoked by the Superior Court of the county wherein the card was issued, after a hearing, and upon a finding that the holder no longer qualifies for the issuance of such a card.
(b) The county prosecutor, any law enforcement officer or any citizen may request a hearing for revocation by applying to the Superior Court of the county in which the card was issued.
(c) Any person having knowledge that a person is subject to any of the disabilities set forth in this subchapter to obtain or possess a permit to purchase a handgun or a firearms purchaser identification card may notify the chief of police, the Superintendent or any other law enforcement officer who may take such action as may be deemed appropriate.