10.14. Where, because of section 10.6, one or more of an operator’s properties included in any of classes 1, 2, 3 and 4 are deemed, immediately after the time of the transfer, to have become properties of any of classes 1A, 2A, 3A and 4A (in this section referred to as the “new class”), the adjustment amount the operator may deduct in computing the mine-mouth output value in respect of a mine it operates, for a particular fiscal year, in relation to the new class, under subparagraph c of subparagraph 2 of the second paragraph of section 8.1.1, is equal to(1) in relation to any of classes 1A, 2A and 3A, the proportion of the amount that is required to be included in computing the mine-mouth output value in respect of the mine, for the particular fiscal year, in relation to the new class, under subparagraph e of subparagraph 1 of the second paragraph of section 8.1.1 that the amount determined under paragraph 2 of section 10.8 in relation to the new class is of the total of the amount determined under that paragraph 2 and any depreciation allowance granted to the operator in respect of the property of the new class under subparagraph b of subparagraph 2 of the second paragraph of section 8.1.1; or
(2) in relation to class 4A, the lesser of(a) the proportion of the amount that is required to be included in computing the mine-mouth output value in respect of the mine, for the particular fiscal year, in relation to the new class, under subparagraph e of subparagraph 1 of the second paragraph of section 8.1.1 that the amount determined under paragraph 2 of section 10.8 in relation to the new class is of the total of the amount determined under that paragraph 2 and any depreciation allowance granted to the operator in respect of the property of the new class under subparagraph b of subparagraph 2 of the second paragraph of section 8.1.1, and
(b) the amount by which the amount determined under paragraph 2 of section 10.8 in relation to the new class exceeds the aggregate of all amounts each of which is an adjustment amount the operator deducted, in relation to the new class, under subparagraph c of subparagraph 2 of the second paragraph of section 8.1.1 for a fiscal year preceding the particular fiscal year, in respect of the mine or any other mine it operated in that preceding fiscal year, or for the particular fiscal year, in respect of another mine it operates in the particular fiscal year.