If, in respect of an original dividend payable at a particular time, a corporation would, but for this subsection, be required to pay a tax under this Part in respect of an excess referred to in subsection (2), and the corporation elects in prescribed manner on or before the day that is 90 days after the day of sending of the notice of assessment in respect of the tax that would otherwise be payable under this Part, the following rules apply:
If, in respect of a dividend payable at a particular time after 1971, a corporation would, but for this subsection, be required to pay a tax under this Part equal to all or a portion of an excess referred to in subsection (2) of this section or subsection 184(1) of the Income Tax Act, chapter 148 of the Revised Statutes of Canada, 1952, it may elect in prescribed manner on or before a day that is not later than 90 days after the day of sending of the notice of assessment in respect of the tax that would otherwise be payable under this Part, and on such an election being made, subject to subsection (4), the following rules apply:
Where, in respect of a dividend payable at a particular time after 1971, a corporation would, but for this subsection, be required to pay a tax under this Part equal to all or a portion of an excess referred to in subsection (2) of this section or subsection 184(1) of the Income Tax Act, chapter 148 of the Revised Statutes of Canada, 1952, it may elect in prescribed manner on or before a day that is not later than 90 days after the day that is the later of December 15, 1977 and the day of mailing of the notice of assessment in respect of the tax that would otherwise be payable under this Part, and on such an election being made, subject to subsection 184(4), the following rules apply: