E&P net deficit shareholder is less than 100 percent, the amount of the excess described in subparagraph (C) which is taken into account under clause (i)(I) with respect to such E&P net deficit shareholder shall be such group ownership percentage of such amount. (E) Applicable share For purposes of this paragraph, the term applicable share means, with respect to any E&P net surplus shareholder in any affiliated group, the amount which bears the same proportion to such group’s aggregate unused E&P deficit as— (i) the product of— (I) such shareholder’s group ownership percentage, multiplied by (II) the amount which would (but for this paragraph) be taken into account under section 951(a)(1) by reason of subsection (a) by such shareholder, bears to (ii) the aggregate amount determined under clause (i) with respect to all E&P net surplus shareholders in such group. (F) Group ownership percentage For purposes of this paragraph, the term group ownership percentage means, with respect to any United States shareholder in any affiliated group, the percentage of the value of the stock of such United States shareholder which is held by other includible corporations in such affiliated group. Notwithstanding the preceding sentence, the group ownership percentage of the common parent of the affiliated group is 100 percent. Any term used in this subparagraph which is also used in section 1504 shall have the same meaning as when used in such section. (c) Application of participation exemption to included income (1) In general In the case of a United States shareholder of a deferred foreign income corporation, there shall be allowed as a deduction 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 an amount equal to the sum of— (A) the United States shareholder’s 7 percent rate equivalent percentage of the excess (if any) of— (i) the amount so included as gross income, over (ii) the amount of such United States shareholder’s