DT: Sudan: double taxation agreement, Article 22: Capital
(1) Capital represented by immovable property, as defined in paragraph (2) of Article 6, may be taxed in the Contracting State in which such property is situated.
(2) Capital represented by movable property forming part of the business property of a permanent establishment of an enterprise, or by movable property pertaining to a fixed base used for the performance of professional services, may be taxed in the Contracting State in which the permanent establishment or fixed base is situated.
(3) Notwithstanding the provisions of paragraph (2) of this Article, ships and aircraft operated in international traffic and movable property pertaining to the operation of such ships and aircraft shall be taxable only in the Contracting State of which the operator is a resident.
(4) All other elements of capital of a resident of a Contracting State shall be taxable only in that State.