Article 20 - Teachers and researchers - Belgium

ARTICLE 20 TEACHERS AND RESEARCHERS 1. An individual who is a resident of a Contracting State and who, at the invitation of the Government of the other Contracting State or of a university or other recognised educational institution situated in that other Contracting State, visits such other Contracting State for the primary purpose of teaching or engaging in research, or both, at a university or other recognised educational institution shall not be subject to tax by that other Contracting State on his income from personal services for such teaching or research for a period not exceeding twenty-four months from the date of his arrival in that other Contracting State. 2. This article shall not apply to income from personal services for research if such research is undertaken primarily for the private benefit of a specific person or persons. 3. For the purposes of this Article and Article 21, an individual shall be deemed to be a resident of a Contracting State if he is a resident of that Contracting State in the year in which he visits the other Contracting State or in the year immediately preceding that year.