Income Tax Regulations

407 (1) Notwithstanding subsections 402(3) and (4), the amount of taxable income that shall be deemed to have been earned in a taxation year by an airline corporation in a province in which it had a permanent establishment is the amount that is equal to 1/4 of the aggregate of

• (a) that proportion of its taxable income for the year that the capital cost of all the corporation’s fixed assets, except aircraft, in the province at the end of the year is of the capital cost of all its fixed assets, except aircraft, in Canada at the end of the year; and

• (b) that proportion of its taxable income for the year that three times the number of revenue plane miles flown by its aircraft during the year in the province is of the total of all amounts, each of which is the total number of revenue plane miles flown by its aircraft during the year in a province in which the corporation had a permanent establishment.

(2) For the purposes of this section, “revenue plane miles flown” shall be weighted according to take-off weight of the aircraft operated.

(3) For the purposes of this section, take-off weight of an aircraft means

• (a) for an aircraft in respect of which an application form for a Certificate of Airworthiness has been submitted to and accepted by the Department of Transport, the maximum permissible take-off weight, in pounds, shown on the form; and

• (b) for any other aircraft, the weight, in pounds, that may reasonably be considered to be the equivalent of the weight referred to in paragraph (a).