Versions of s. 261(9)(d)

in determining, at any time in the particular Canadian currency year, the amount (expressed in Canadian currency) of the taxpayer’s undepreciated capital cost of depreciable property of a prescribed class, cumulative eligible capital in respect of a business, cumulative Canadian exploration expense (within the meaning assigned by subsection 66.1(6)), cumulative Canadian development expense (within the meaning assigned by subsection 66.2(5)), cumulative foreign resource expense in respect of a country other than Canada (within the meaning assigned by subsection 66.21(1)) and cumulative Canadian oil and gas property expense (within the meaning assigned by subsection 66.4(5)), (each of which is referred to in this paragraph as a “pool amount”),