ARTICLE 19
Pensions
(1) 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) Any pension paid by a Contracting State or a political subdivision or a local authority thereof out of the budget or special funds to any individual shall be taxable only in that State.
(3) Notwithstanding the provisions of paragraph (2) of this Article, any pension derived by an individual for work performed in connection with any business carried on by one of the Contracting States or a political subdivision or a local authority thereof shall be taxable only in the Contracting State of which the individual is a resident.