(a) A is the aggregate ofi. the aggregate of all amounts, each of which would be the cost to the taxpayer, computed without reference to section 419.0.1, of a flow-through share that was included at any time before the particular time in the flow-through share class of property and that was issued by a corporation to the taxpayer on or after the taxpayer’s fresh-start date in respect of the flow-through share class of property at that time, other than a flow-through share that the taxpayer was obligated, before 22 March 2011, to acquire pursuant to the terms of a flow-through share agreement entered into between the corporation and the taxpayer, and
ii. the aggregate of all amounts, each of which would be the adjusted cost base to the taxpayer of an interest in a partnership—computed as if subparagraph vii.1 of paragraph i of section 255 and subparagraph ii of paragraph l of section 257, as that subparagraph ii would read if it referred only to Canadian exploration expenses and Canadian development expenses, did not apply to any amount incurred by the partnership in respect of a flow-through share held by the partnership, either directly or indirectly through another partnership—that was included before the particular time in the flow-through share class of property, if(1) the taxpayer acquired the interest (other than an interest that the taxpayer was obligated, before 16 August 2011, to acquire pursuant to the terms of an agreement in writing entered into by the taxpayer) on or after the taxpayer’s fresh-start date in respect of the flow-through share class of property at the particular time, or made a contribution of capital to the partnership after 15 August 2011,
(2) at any time after the time that the taxpayer acquired the interest or made the contribution of capital, the taxpayer is deemed by section 359.18 to have made or incurred an outlay or expense in respect of a flow-through share held by the partnership, either directly or indirectly through another partnership, and
(3) at any time between the time that the taxpayer acquired the interest or made the contribution of capital and the particular time, more than 50% of the fair market value of the assets of the partnership is attributable to property included in a flow-through share class of property; and
(b) B is the aggregate of all amounts, each of which is the lesser ofi. the aggregate of all amounts, each of which is a capital gain from a disposition of a property included in the flow-through share class of property, other than a capital gain referred to in subparagraph a of the second paragraph of section 262.4, at an earlier time that is before the particular time and after the first time that the taxpayer acquired a flow-through share referred to in subparagraph i of paragraph a or acquired a partnership interest referred to in subparagraph ii of paragraph a, and
ii. the exemption threshold of the taxpayer in respect of the flow-though share class of property immediately before the earlier time referred to in subparagraph i.