ARTICLE 18
Pensions
(1) Subject to the provisions of paragraph (2) of Article 19, pensions and other similar remuneration paid to a resident of a Contracting State in consideration of past employment shall be taxable only in that State.
(2) Notwithstanding the provisions of paragraph (1) of this Article, payments made under the social security legislation of a Contracting State shall be taxable only in that State.