Special rules

(A) Regular tax In applying section 1(h) for purposes of determining the tax under paragraph (1)(A)(i) for any taxable year in which, without regard to this subsection, the taxpayer’s net capital gain exceeds taxable income (hereafter in this subparagraph referred to as the capital gain excess)— (i) the taxpayer’s net capital gain (determined without regard to section 1(h)(11)) shall be reduced (but not below zero) by such capital gain excess, (ii) the taxpayer’s qualified dividend income shall be reduced by so much of such capital gain excess as exceeds the taxpayer’s net capital gain (determined without regard to section 1(h)(11) and the reduction under clause (i)), and (iii) adjusted net capital gain, unrecaptured section 1250 gain, and 28-percent rate gain shall each be determined after increasing the amount described in section 1(h)(4)(B) by such capital gain excess.

(B) Alternative minimum tax In applying section 55(b)(3) for purposes of determining the tax under paragraph (1)(B)(i) for any taxable year in which, without regard to this subsection, the taxpayer’s net capital gain exceeds the taxable excess (as defined in section 55(b)(1)(B))— (i) the rules of subparagraph (A) shall apply, except that such subparagraph shall be applied by substituting “the taxable excess (as defined in section 55(b)(1)(B))” for “taxable income”, and (ii) the reference in section 55(b)(3)(B) to the excess described in section 1(h)(1)(B), and the reference in section 55(b)(3)(C)(ii) to the excess described in section 1(h)(1)(C)(ii), shall each be treated as a reference to each such excess as determined under the rules of subparagraph (A) for purposes of determining the tax under paragraph (1)(A)(i).

(C) Definitions Terms used in this paragraph which are also used in section 1(h) shall have the respective meanings given such terms by section 1(h), except that in applying subparagraph (B) the adjustments under part VI of subchapter A shall be taken into account.