N.J. Stat. Ann. § 2C:58-10

No incendiary or tracer type ammunition shall be discharged anywhere in this State except for law enforcement purposes by law enforcement officers in the course of their official duties or by members of legally recognized military organizations during the actual course of their official duties in or upon military establishments or ranges constructed or maintained for such purposes. Nonincendiary shotgun tracer ammunition may, however, be used on a trap or skeet field for target purposes. Nothing in this section shall prohibit the carrying or possession for distress signal purposes of a visual distress signalling device approved by the United States Coast Guard aboard a private or commercial aircraft or any boat.