N.J. Stat. Ann. § 54:10A-5.1

In addition to the franchise tax paid by each taxpayer under subsection (c) of section 5 of P.L. 1945, c. 162 (C. 54:10A-5), every taxpayer shall be assessed and shall pay a surtax equal to a percentage rate established pursuant to section 2 of this 1986 supplementary act applied to its entire net income or such portion thereof as may be allocable to this State as provided in section 6 of P.L. 1945, c. 162 (C. 54:10A-6). The surtax imposed under this section shall be due and payable in accordance with section 15 of P.L. 1945, c. 162 (C. 54:10A-15). The surtax shall be administered pursuant to the provisions of P.L. 1945, c. 162 (C. 54:10A-1 et seq.).