ARTICLE 18
Pensions and Social Security Payments
(1) Subject to the provisions of paragraph 2 of Article 19, pensions and other similar remuneration paid in consideration of past employment to a resident of a Contracting State and any annuity paid to such a resident may also be taxed in that State.
(2) Notwithstanding the provisions of paragraph 1, pensions paid and other payments made under a public scheme which is part of the social security system of a Contracting State or a political sub-division or a local authority thereof shall be taxable only in that State.