INDEPENDENT PERSONAL SERVICES 1. Income derived by a resident of a Contracting State in respect of professional services or other activities of an independent character shall be taxable only in that State unless he has a fixed base regularly available to him in the other Contracting State for the purpose of performing his activities. If he has such a fixed base, the income may be taxed in the other State but only so much of it as is attributable to that fixed base. 2. The term "professional services" includes especially independent scientific, literary, artistic, educational or teaching activities as well as the independent activities of physicians, lawyers, engineers, architects, dentists and accountants.
DEPENDENT PERSONAL SERVICES 1. Subject to the provisions of Articles 16, 18 and 19, salaries, wages and other similar remuneration derived by a resident of a Contracting State in respect of an employment shall be taxable only in that State unless the employment is exercised in the other Contracting State. If the employment is so exercised, such remuneration as is derived therefrom may be taxed in that other State. 2. Notwithstanding the provisions of paragraph 1, remuneration derived by a resident of a Contracting State in respect of an employment exercised in the other Contracting State shall be taxable only in the first-mentioned State if: a) the recipient is present in the other State for a period or periods not exceeding in the aggregate 183 days in any twelve-month period commencing or ending in the tax year concerned, and b) the remuneration is paid by, or on behalf of, an employer who is not a resident of the other State, and c) the remuneration is not borne by a permanent establishment or a fixed base which the employer has in the other State. 3. Notwithstanding the preceding provisions of this Article, remuneration derived in respect of an employment exercised aboard a ship or aircraft operated in international traffic by a resident of a Contracting State, may be taxed in that State.
