Section 118.8 — Income Tax Act: Transfer of unused credits to spouse or common-law partner

For the purpose of computing the tax payable under this Part for a taxation year by an individual who, at any time in the year, is a married person or a person who is in a common-law partnership (other than an individual who, by reason of a breakdown of their marriage or common-law partnership, is living separate and apart from the individual’s spouse or common-law partner at the end of the year and for a period of 90 days commencing in the year), there may be deducted an amount determined by the formula A + B - C where A is the tuition tax credit transferred for the year by the spouse or common-law partner to the individual; B is the total of all amounts each of which is deductible under subsection 118(1), because of paragraph (b.1) of the description of B in that subsection, or subsection 118(2) or (3) or 118.3(1) in computing the spouse’s or common-law partner’s tax payable under this Part for the year; and C is the amount, if any, by which the amount that would be the spouse’s or common-law partner’s tax payable under this Part for the year if no amount were deductible under this Division (other than an amount deductible under subsection 118(1) because of paragraph (c) of the description of B in that subsection, under subsection 118(10) or under any of sections 118.01 to 118.07, 118.3, 118.61 and 118.7) exceeds the lesser of the total of all amounts that may be deducted under section 118.5 in computing the spouse’s or common-law partner’s tax payable under this Part for the year, and the amount that would be the spouse’s or common-law partner’s tax payable under this Part for the year if no amount were deductible under this Division (other than an amount deductible under any of sections 118 to 118.07, 118.3, 118.61 and 118.7).