net income tax
(6) Net tax liability under this section For purposes of this subsection— (A) In general The net tax liability under this section with respect to any United States shareholder is the excess (if any) of— (i) such taxpayer’s net income tax for the taxable year in which an amount is included in the gross income of such United States shareholder under section 951(a)(1) by reason of this section, over (ii) such taxpayer’s net income tax for such taxable year determined— (I) without regard to this section, and (II) without regard to any income or deduction properly attributable to a dividend received by such United States shareholder from any deferred foreign income corporation. (B) Net income tax The term “net income tax” means the regular tax liability reduced by the credits allowed under subparts A, B, and D of part IV of subchapter A.