ARTICLE XIII
Income from Immovable Property
(1) Income derived by a resident of a Contracting State from immovable property may be taxed in the Contracting State in which such property is situated.
(2) The term "immovable property" shall be defined in accordance with the laws of the Contracting State in which the property in question is situated. The term shall in any case include property accessory to immovable property, livestock and equipment of agricultural and forestry enterprises, rights to which the provisions of general law respecting landed property apply, usufruct of immovable property and rights to variable or fixed payments as consideration for the working of mineral deposits, sources and other natural resources, ships and aircraft shall not be regarded as immovable property.
(3) The provisions of paragraphs (1) and (2) above shall apply to income derived from the direct use or from the letting of immovable property or the use in any other form of such property, including income from agricultural or forestry enterprises. They shall likewise apply to profits from the alienation of immovable property.
(4) The provisions of paragraphs (1) to (3) above shall also apply to the income from immovable property of any enterprises other than agricultural or forestry enterprises and to income from immovable property used for the performance of professional services.