1. Subject to Article 605, each Party shall accord to an investor of a Party treatment no less favourable than the best treatment it accords, in like circumstances, to an investor of any Party.
2. Subject to Article 605, each Party shall accord to an enterprise of any other Party, established and carrying on business activities in its territory, treatment no less favourable than the treatment it accords, in like circumstances, to its own enterprises.
3. With respect to the Federal Government, paragraphs 1 and 2 mean that, subject to Article 605, it shall ensure that any measure it adopts or maintains does not operate so as to discriminate between Provinces or regions.