437. Notwithstanding section 188, where at any time an individual has died and any person has, as a consequence of the individual’s death, acquired an incorporeal capital property of the individual in respect of a business carried on by the individual immediately before that time, otherwise than by way of a distribution of property by a trust that has deducted an amount under paragraph b of section 130 in respect of the property or in circumstances to which section 189 applies, the following rules apply:(a) the individual is deemed to have disposed of the capital property immediately before his death for proceeds of disposition equal to 4/3 of that proportion of the eligible incorporeal capital amount of the individual in respect of the business that the fair market value immediately before that time of the capital property is of the fair market value immediately before that time of all of the incorporeal capital property of the individual in respect of the business;
(b) the person is deemed, in respect of the incorporeal capital property, to have acquired a capital property at the time of the death of the individual at a cost equal to the proceeds of disposition determined under paragraph a, except where the person continues to carry on the business of the individual, in which case the person is deemed to have, at the time of the individual’s death, acquired an incorporeal capital property and disbursed therefor an incorporeal capital amount equal to the aggregate ofi. the proceeds of disposition determined in paragraph a, and
ii. 4/3 of that proportion of the excess determined under subparagraph a of the second paragraph of section 107 in respect of the business of the individual at that time that the fair market value immediately before that time of the capital property is of the fair market value immediately before that time of all incorporeal capital property of the individual in respect of the business;
(c) for the purposes of determining, at any time, the person’s eligible incorporeal capital amount contemplated in paragraph b in respect of the business he continues to carry on, an amount equal to 3/4 of the amount determined under subparagraph ii of paragraph b shall be added to the aggregate otherwise determined under subparagraph i of subparagraph a of the second paragraph of section 107;
(d) for the purpose of determining, after the individual’s death, the amount required by paragraph b of section 105 to be included in computing the income of the person referred to in paragraph b in respect of any subsequent disposition of the property of the business, there shall be added to the amount determined under subparagraph ii of subparagraph a of the second paragraph of section 107 the proportion of the amount determined under that subparagraph ii in respect of the business of the individual immediately before the individual’s death that the fair market value of that incorporeal capital property immediately before the time of the death is of the fair market value at that time of the aggregate of the incorporeal capital property of the individual in respect of the business.