Versions of s. 143.4(4)

Subject to subsection (6), if at any time in a taxation year that is after a taxation year in which an expenditure of the taxpayer occurred, the taxpayer, or another taxpayer not dealing at arm’s length with the taxpayer, has a right to reduce an amount in respect of the expenditure (in this subsection and subsection (5) referred to as the “prior expenditure”) that would, if the taxpayer or the other taxpayer had had the right to reduce in a particular taxation year that ended before the time, have resulted in subsection (2) applying in the particular taxation year to reduce or eliminate the amount of the prior expenditure, the taxpayer’s subsequent contingent amount in respect of the prior expenditure, as determined under subsection (5), is deemed, to the extent subsection (2) and this subsection have not previously applied in respect of the expenditure,