ARTICLE 19
Pensions and Annuities
(1) Subject to the provisions of paragraph (2) of article 20, pensions and other similar remuneration for past employment or any annuity arising in a Contracting State and paid to a resident of the other Contracting State, shall be taxable only in the first-mentioned State.
(2) The term "annuity" means a stated sum payable periodically at stated times during life or during a specified or ascertainable period of time under an obligation to make the payments in return for adequate and full consideration in money or money's worth.