Q.3 - Canada-U.K. Treaty does not exempt shares deriving their value from Canadian oil and gas licences – even where the Canadian business is carried on “in” them
exclusion in Art. 13 of Aust.-U.S. Treaty for real property dispositions extended to shares of Australian holding company holding mining leases through grandchild
proportionate value approach to determining whether shares of a foreign holding company are derived more than 50% from Canadian immovable property for Treaty purposes