Alternative computation method.
(E) Alternative computation method. If paragraph (b)(1)(ii)(C), (D), or (E) of this section applies to adjust the tentative taxable income of a taxpayer, the taxpayer may compute the amount of the adjustments required by such paragraph using the formulas in paragraph (b)(1)(iv)(E)(1), (2), and (3) of this section, respectively, provided that the taxpayer applies such formulas to all dispositions for which an adjustment is required under paragraph (b)(1)(ii)(C), (D), or (E) of this section. For special rules regarding the treatment of deconsolidating transactions and nonrecognition transactions, see paragraph (b)(1)(iv)(A)(3) and (4) of this section, respectively. For special rules regarding the application of the formulas in paragraph (b)(1)(iv)(E)(1), (2), and (3) of this section by consolidated groups, see paragraph (b)(1)(iv)(B)(2) of this section.