Income Tax Act ( R.S.C. , 1985, c. 1 (5th Supp.))

A — B where is the total of all amounts each of which is the decrease — which can reasonably be considered to result from a triggering event described in subparagraph (b)(ii) (other than a triggering event that satisfies the conditions in subparagraph (i) or (ii)) — in the aggregate participating percentage of the taxpayer in respect of the particular affiliate for the ordinary taxation year of the particular affiliate, and is the total of all amounts each of which is the increase — which can reasonably be considered to result from a triggering event described in subparagraph (b)(ii) (other than a triggering event that satisfies the conditions in subparagraph (i) or (ii)) — in the aggregate participating percentage of the taxpayer in respect of the particular affiliate for the ordinary taxation year of the particular affiliate.