this paragraph— (I) the amount taken into account with respect to any asset shall be the adjusted basis thereof for purposes of determining gain, (II) the amount taken into account with respect to any indebtedness with original issue discount shall be its issue price plus the portion of the original issue discount previously accrued as determined under the rules of section 1272 (determined without regard to subsection (a)(7) or (b)(4) thereof), and (III) there shall be such other adjustments as the Secretary shall by regulations prescribe. (ii) Intragroup debt and equity interests disregarded For purposes of this paragraph, the total indebtedness, and the assets, of any group of corporations shall be determined by treating all members of such group as one corporation. (iii) Determination of assets of domestic group For purposes of this paragraph, the assets of the domestic corporations which are members of any worldwide affiliated group shall be determined by disregarding any interest held by any such domestic corporation in any foreign corporation which is a member of such group. (4) Other definitions For purposes of this subsection— (A) Worldwide affiliated group The term worldwide affiliated group means a group consisting of the includible members of an affiliated group, as defined in section 1504(a), determined— (i) by substituting more than 50 percent for at least 80 percent each place it appears in such section, and (ii) without regard to paragraphs (2), (3), and (4) of section 1504(b). (B) Net interest expense The term net interest expense means the excess (if any) of (i) the interest paid or accrued by the taxpayer during the taxable year, over (ii) the amount of interest includible in the gross income of such taxpayer for such taxable year. The Secretary shall by regulations provide for adjustments in determining the amount of net interest expense if necessary. (5) Treatment of affiliated group For purposes of this subsection, all members of the same affiliated group (within the meaning of section