Revocation of election.
(7) Revocation of election. Notwithstanding any other provision of this section, any election made by or on behalf of a foreign corporation (other than a foreign corporation subject to tax under section 882) may be modified or revoked by or on behalf of such corporation for the taxable year for which made whenever the consent of the Commissioner is secured for such modification or revocation, even though such election would be irrevocable but for this subparagraph.