418.28. The amount referred to in paragraph e of section 418.26 and which shall not be exceeded is the amount equal to the part of the income of the transferor for the year referred to in that paragraph, before any deduction under section 88.4 of the Act respecting the application of the Taxation Act (chapter I-4) and sections 359 to 419.6, that may reasonably be regarded as attributable(a) to the production from a Canadian resource property owned by the transferor immediately before the time referred to in section 418.26, and
(b) to the disposition, in the year referred to in paragraph e of section 418.26, of a Canadian resource property owned by the transferor immediately before the time referred to in section 418.26.