(a) An election under the provisions of section 1071 shall be in the form of a written statement and shall be executed and filed in duplicate. Such statement shall be signed by the taxpayer or his authorized representative. In the case of a corporation, the statement shall be signed with the corporate name, followed by the signature and title of an officer of the corporation empowered to sign for the corporation, and the corporate seal must be affixed. An election under section 1071 to reduce the basis of property and an election under such section to treat the sale or exchange as an involuntary conversion under section 1033 may be exercised independently of each other. An election under section 1071 must be filed with the return for the taxable year in which the sale or exchange occurs. Where practicable, the certificate of the Federal Communications Commission required by §1.1071-1 should be filed with the election.

(b) If, in pursuance of an election to have the basis of its property adjusted under section 1071, the taxpayer desires to have such basis adjusted in any manner different from the general rule set forth in paragraph (a) of §1.1071-3, the precise method (including allocation of amounts) should be set forth in detail on separate sheets accompanying the election. Consent by the Commissioner to any departure from such general rule shall be effected only by a closing agreement entered into under the provisions of section 7121.