N.J. Stat. § 30:2-2: Appropriation must not be exceeded

All expenditures for or on account of the department or any of its institutions or noninstitutional agencies shall be paid out of the funds appropriated by the legislature and all earnings or income shall be duly accounted for and paid into the state treasury. The total expenditures for all purposes shall not exceed in any year the sums appropriated by the legislature.