Income Tax Act — I-3.3 249
Definition of taxation year 249 (1) In this Act, except as expressly otherwise provided, a taxation year is (a) in the case of a corporation or Canadian resident partnership, a fiscal period; (b) in the case of a graduated rate estate, the period for which the accounts of the estate are made up for purposes of assessment under this Act; and (c) in any other case, a calendar year. References to calendar year (1.1) When a taxation year is referred to by reference to a calendar year, the reference is to the taxation year or taxation years that coincide with, or that end in, that calendar year. References to certain taxation years and fiscal periods (2) For the purposes of this Act, (a) a reference to a taxation year ending in another year includes a reference to a taxation year ending coincidentally with that other year; and (b) a reference to a fiscal period ending in a taxation year includes a reference to a fiscal period ending coincidentally with that year. Fiscal period exceeding 365 days (3) If a fiscal period of a corporation exceeds 365 days and for that reason the corporation does not have a taxation year that ends in a particular calendar year, for the purposes of this Act, (a) the corporation’s first taxation year that would otherwise end in the immediately following calendar year is deemed to end on the last day of the particular calendar year and its next taxation year is deemed to commence on the first day of the immediately following calendar year; and (b) the corporation’s first fiscal period that would otherwise end in the immediately following calendar year is deemed to end on the last day of the particular calendar year and its next fiscal period is deemed to commence on the first day of the immediately following calendar year. Year end on status change (3.1) If at any time a corporation becomes or ceases to be a Canadian-controlled private corporation, otherwise than because of an acquisition of control to which subsection (4) would, if this Act were read without reference to this subsection, apply, (a) subject to paragraph (c), the corporation’s taxation year that would, if this Act were read without reference to this subsection, include that time is deemed to end immediately before that time; (b) a new taxation year of the corporation is deemed to begin at that time; (c) notwithstanding subsections (1) and (3), the corporation’s taxation year that would, if this Act were read without reference to this subsection, have been its last taxation year that ended before that time is deemed instead to end immediately before that time if (i) were this Act read without reference to this paragraph, that taxation year would, otherwise than because of paragraph 128(1)(d), section 128.1 and paragraphs 142.6(1)(a) or 149(10)(a), have ended within the 7-day period that ended immediately before that time, (ii) within that 7-day period no person or group of persons acquired control of the corporation, and the corporation did not become or cease to be a Canadian-controlled private corporation, and (iii) the corporation elects, in its return of income under Part I for that taxation year to have this paragraph apply; and (d) for the purpose of determining the corporation’s fiscal period after that time, the corporation is deemed not to have established a fiscal period before that time. Loss restriction event  —  year end (4) If at any time a taxpayer is subject to a loss restriction event (other than a foreign affiliate, of a taxpayer resident in Canada, that did not carry on a business in Canada at any time in its last taxation year that began before that time), then for the purposes of this Act, (a) subject to paragraph (b), the taxpayer’s taxation year that would, but for this paragraph, have included that time is deemed to end immediately before that time, a new taxation year of the taxpayer is deemed to begin at that time and, for the purpose of determining the taxpayer’s fiscal period after that time, the taxpayer is deeme