Full text
if a property is partly used or held by a taxpayer in a taxation year in the course of carrying on business in Canada, the cost of the property to the taxpayer is deemed for the year to be equal to the same proportion of the cost to the taxpayer of the property (determined without reference to this subsection) that the proportion of the use or holding made of the property in the course of carrying on business in Canada in the year is of the whole use or holding made of the property in the year; and