418.12. For the purposes of subparagraph a of the second paragraph of section 358, as it applies in respect of dispositions occurring before 13 November 1981, paragraph g of section 412 and paragraph b of section 418.5, the amount determined under this section for a taxation year in respect of a taxpayer is equal to the amount by which the aggregate of all amounts deducted under section 418.6 in computing the taxpayer’s cumulative Canadian oil and gas property expense at the end of the year exceeds the total of all amounts included under section 418.5 in computing the taxpayer’s cumulative Canadian oil and gas property expense at the end of the year and the aggregate determined under subparagraph i of paragraph c of section 418.31.1 in respect of the taxpayer for the year.
1982, c. 5, s. 103; 1993, c. 16, s. 164; 1995, c. 49, s. 109.