N.J. Statutes concerning child abuse can be found under Title 9. Children--Juvenile and Domestic Relations Courts. 9:6-1. ABUSE, ABANDONMENT, CRUELTY AND NEGLECT OF CHILD; [WHAT CONSTITUTES ABUSE SHALL CONSIST OF ANY OF THE FOLLOWING]
~Abandonment of a child shall consist in any of the following acts by anyone having the custody or control of the child: (a) willfully forsaking a child; (b) failing to care for and keep the control and custody of a child so that the child shall be exposed to physical or moral risk without proper and sufficient protection; (c) failing to care for and keep the control and custody of a child so that the child shall be liable to be supported and maintained at the expense of the public, or by child caring societies or private persons not legally chargeable with its or their care, custody and control.
~Neglect of a child shall consist in any of the following acts, by anyone having the custody or control of the child
a) willfully failing to provide proper and sufficient food, clothing, maintenance, regular school education as required by law, medical attendance or surgical treatment, and a clean and proper home, or (b) failure to do or permit to be done any act necessary for the child's physical or moral well-being. Neglect also means the continued inappropriate placement of a child in an institution, as defined in section 1 of P.L.1974, c. 119 (C. 9:6-8.21), with the knowledge that the placement has resulted and may continue to result in harm to the child's mental or physical well-being.
9:6-8.14. VIOLATIONS INCLUDING FAILURE TO MAKE REPORT; DISORDERLY PERSON;
Any person knowingly violating the provisions of this act including the failure to report an act of child abuse having reasonable cause to believe that an act of child abuse has been committed, is a disorderly person.
[This information found on the State of N.J. Department of Children & Families website under NJ law]