New Jersey Statutes Title 54. Taxation 54 § 8A-7

The term “gross income” means the total of a taxpayer's gains, losses, profits and income derived from sources within his source State. Gross income shall be computed in accordance with the provisions of section 32  1 or section 36 of this act.  2 In computing gross income, the items of gain, loss, profit or income set forth in section 33 of this act  3 shall not be included except to the extent provided therein.

For the purpose of applying the deductions permitted in sections 9  4 and 37 of this act  5 gross income computed in accordance with the provisions of section 32 of this act shall be reduced by the amount of the deduction allowed in section 35(a) of this act.  6