1. Subject to the provisions of Article 19 (Government Service):
a) pensions and other similar remuneration derived and beneficially owned by a resident of a Contracting State in consideration of past employment shall be taxable only in that State; and
b) social security benefits and other public pensions paid by a Contracting State to a resident of the other Contracting State or a citizen of the United States shall be taxable only in the first-mentioned State.
2. Annuities derived and beneficially owned by a resident of a Contracting State shall be taxable only in that State. The term "annuities" as used in this paragraph means stated sums paid periodically at stated times during life or during a specified or ascertainable number of years, under an obligation to make the payments in return for adequate and full consideration (other than services rendered).
3. Alimony paid to a resident of a Contracting State shall be taxable only in that State. The term "alimony" as used in this paragraph means periodic payments made pursuant to a written separation agreement or a decree of divorce, separate maintenance, or compulsory support, which payments are taxable to the recipient under the laws of the State of which he is a resident.
4. Periodic payments for the support of a minor child made pursuant to a written separation agreement or a decree of divorce, separate maintenance or compulsory support, paid by a resident of a Contracting State to a resident of the other Contracting State, shall be taxable only in the first-mentioned State.