Income from immovable property may be taxed in the State where the property is situated, affecting residents' source taxation. Income derived by a resident from immovable property situated in the other Contracting State may be taxed in the State where the property is located; the meaning of immovable property is determined by the law of the State in which the property is situated and includes accessories, agricultural livestock and equipment, usufruct, and rights to payments for working mineral deposits and other natural resources, but excludes ships, boats and aircraft. The rule applies to income from direct use, letting or any other form of use and to enterprise property income and property used for independent personal services.