(a) Increase in basis—(1) In general. Except as provided in subparagraph (2) of this paragraph, the basis of a United States shareholder's—
(i) Stock in a controlled foreign corporation; or
(ii) Property (as defined in paragraph (b)(1) of this section) by reason of the ownership of which he is considered under section 958(a)(2) as owning stock in a controlled foreign corporation shall be increased under section 961(a), as of the last day in the taxable year of such corporation on which it is a controlled foreign corporation, by the amount required to be included with respect to such stock or such property in such shareholder's gross income under section 951(a) for his taxable year in which or with which such taxable year of such corporation ends. The increase in basis provided by the preceding sentence shall be made only to the extent to which such amount required to be included in gross income under section 951(a) was so included in gross income.
(2) Limitation on amount of increase in case of election under section 962. In the case of a United States shareholder who makes the election under section 962 for the taxable year, the amount of the increase in basis provided by subparagraph (1) of this paragraph shall not exceed the amount of United States tax paid in accordance with such election with respect to the amounts included in such shareholder's gross income under section 951(a) for such year (as determined under §1.962-1).
(b) Rules of application—(1) Property defined. The property of a United States shareholder referred to in paragraph (a)(1)(ii) of this section shall consist of—
(i) Stock in a foreign corporation;
(ii) An interest in a foreign partnership; or
(iii) A beneficial interest in a foreign estate or trust (as defined in section 7701(a)(31)).
(2) Increase with respect to each share of stock. Any increase under paragraph (a) of this section in the basis of a United States shareholder's stock in a foreign corporation shall be made in the amount included in gross income under section 951(a) or in the amount of United States tax paid in accordance with an election under section 962, as the case may be, with respect to each share of such stock.
(c) Illustration. The application of this section may be illustrated by the following examples:
[T.D. 6850, 30 FR 11854, Sept. 16, 1965]