N.J. Stat. § 2A:4A-23
Definition of delinquency. As used in this act, "delinquency" means the commission of an act by a juvenile which if committed by an adult would constitute:
But, the commission of (1) an act which constitutes a violation of chapter 3, 4, 6 or 8 of Title 39 of the Revised Statutes by a juvenile of any age; (2) an act relating to the ownership or operation of a motorized bicycle which constitutes a violation of chapter 3 or 4 of Title 39 of the Revised Statutes by a juvenile of any age; (3) an act which constitutes a violation of article 3 or 6 of chapter 4 of Title 39 of the Revised Statutes pertaining to pedestrians and bicycles, by a juvenile of any age; (4) the commission of an act which constitutes a violation of P.L.1981, c.318 (C.26:3D-1 et seq.), P.L.1981, c.319 (C.26:3D-7 et seq.), P.L.1981, c.320 (C.26:3D-15 et seq.), P.L.1985, c.185 (C.26:3E-7 et seq.), P.L.1985, c.186 (C.26:3D-32 et seq.), N.J.S. 2C:33-13, P.L.1985, c.318 (C.26:3D-38 et seq.), P.L.1985, c.381 (C.26:3D-46 et seq.), or of any amendment or supplement thereof, by a juvenile of any age;(5) an act which constitutes a violation of chapter 7 of Title 12 of the Revised Statutes relating to the regulation and registration of power vessels, by a juvenile of any age or section 2 of P.L.1987, c.453 (C.12:7-61); or (6) an act which constitutes a violation of a municipal ordinance enacted pursuant to section 2 of P.L.1992, c.132 (C.40:48-2.52) pertaining to curfew ordinances shall not constitute delinquency as defined in this act. The municipal court having jurisdiction over a case involving a violation by a juvenile of a section of Title 26 listed in this subsection, Title 40 listed in this subsection or N.J.S. 2C:33-13, shall forward a copy of the record of conviction in that case to the Family Part intake service of the county where the municipal court is located.
If a municipal court orders detention or imposes a term of imprisonment on a juvenile in connection with a violation of Title 39 of the Revised Statutes, chapter 7 of Title 12 of the Revised Statutes, Title 40 of the Revised Statutes or N.J.S. 2C:33-13, that detention or term of imprisonment shall be served at a suitable juvenile institution and not at a county jail or county workhouse.
N.J.S. § 2A:4A-23