If a corporation, in any taxable year, files with the Secretary a statement, as provided in subsection (b), with respect to an expected net operating loss carryback from such taxable year, the time for payment of all or part of any tax imposed by subtitle A for the taxable year immediately preceding such taxable year shall be extended, to the extent and subject to the conditions and limitations hereinafter provided in this section.
The amount the time for payment of which may be extended under subsection (a) with respect to any tax shall not exceed the amount of such tax shown on the return, increased by any amount assessed as a deficiency (or as interest or addition to the tax) prior to the date of filing the statement and decreased by any amount paid or required to be paid prior to the date of such filing, and the total amount of the tax the time for payment of which may be extended shall not exceed the amount stated under subsection (b)(3). For purposes of this subsection, an amount shall not be considered as required to be paid unless shown on the return or assessed as a deficiency (or as interest or addition to the tax), and an amount assessed as a deficiency (or as interest or addition to the tax) shall be considered to be required to be paid prior to the date of filing of the statement if the 10th day after notice and demand for its payment occurs prior to such date. If an extension of time under this section relates to only a part of the tax, the time for payment of the remainder shall be the date on which payment would have been required if such remainder had been the tax.
Each statement filed under subsection (a) with respect to any taxable year shall be in lieu of the last statement previously filed with respect to such year. If the amount the time for payment of which is extended under a statement filed is less than the amount under the last statement previously filed, the extension of time shall be terminated as to the difference between the two amounts.
The Secretary is not required to make any examination of the statement, but he may make such examination thereof as he deems necessary and practicable. The Secretary shall terminate the extension as to any part of the amount to which it relates which he deems should be terminated because, upon such examination, he believes that, as of the time such examination is made, all or any part of the statement clearly is in a material respect erroneous or unreasonable.
If the corporation seeking an extension of time under this section made or was required to make a consolidated return, either for the taxable year within which the net operating loss arises or for the preceding taxable year affected by such loss, the provisions of such section shall apply only to such extent and subject to such conditions, limitations, and exceptions as the Secretary may by regulations prescribe.