Immovable property taxation: source state may tax income from use or letting of property situated within its territory. Income from immovable property located in a Contracting State may be taxed in that State when derived by a resident of the other State, covering direct use, letting or other forms of use. Immovable property is to be defined by the law of the State where the property is situated and includes accessories, agricultural livestock and equipment, usufruct, and rights to payments for working or rights to work mineral resources, while excluding ships, boats and aircraft. The Article also applies to enterprise income from immovable property and to property used for independent personal services.