1090R1. For the purposes of this Title and of section 1090 of the Act, the income or loss derived from the carrying on, in Canada, of a business of an individual referred to in section 26 of the Act, is computed by taking into consideration only the income or loss attributable to the individual’s establishments in Canada, as if the business carried on in Canada by the individual were a separate business that was carried on by a separate person; for such purposes, sections 771R44 and 771R45, subject to this Title, apply by replacing therein, wherever they occur,(a) “corporation” by “individual”;
(b) “business carried on” by “income earned”; and
(c) “foreign corporation” by “individual referred to in section 26 of the Act”.