771.2.1.7. Despite the first paragraph of section 771.2.1.3 and sections 771.2.1.4, 771.2.1.5 and 771.2.1.6, the following rules apply:(a) if a Canadian-controlled private corporation, in this paragraph referred to as the “first corporation”, has more than one taxation year ending in the same calendar year and is associated in two or more of those taxation years with another Canadian-controlled private corporation that has a taxation year ending in that calendar year, the business limit of the first corporation for each particular taxation year that ends in the calendar year in which it is associated with the other corporation and that ends after the first taxation year ending in that calendar year is, subject to subparagraph b, an amount equal to the lesser ofi. its business limit for the first taxation year ending in the calendar year, determined in accordance with section 771.2.1.4 or 771.2.1.5, and
ii. its business limit for the particular taxation year ending in the calendar year, determined in accordance with section 771.2.1.4 or 771.2.1.5; and
(b) if a Canadian-controlled private corporation has a taxation year of fewer than 51 weeks, its business limit for the year is that proportion of its business limit for the year, determined without reference to this paragraph and section 771.2.1.8, that the number of days in the year is of 365.
However, if subparagraph a of the first paragraph applies to a particular taxation year 2009 or 2010 of a corporation that ends after 19 March 2009, subparagraph i of that subparagraph a is to be read as follows:“i. the amount that would be its business limit for the first taxation year ending in the calendar year, determined in accordance with section 771.2.1.4 or 771.2.1.5, if the reference to the amount in dollars that is provided for in section 771.2.1.4, as it applies in respect of that first taxation year, were replaced by a reference to the amount in dollars that is provided for in that section, as it applies in respect of the particular taxation year ending in the calendar year, and”.