N.J. Stat. § 19:3-1: Public offices, party offices and public questions classified

Public offices and party offices and public questions shall be divided and classified as follows:

a. Those offices voted for and public questions voted upon by the electors of the state or of more than one county thereof, or members of the house of representatives;

b. Those offices voted for and public questions voted upon by the electors of a county or of more than one municipality thereof;

c. Those offices voted for and public questions voted upon by the electors of a municipality or of any portion thereof.