DT2820 - DT: Austria: double taxation agreement, Article 21: Teachers

A professor or teacher who visits a Contracting State for a period not exceeding two years for the purpose of teaching at a university, college, school or other educational institution in that Contracting State and who is, or was immediately before that visit a resident of the other Contracting State shall be exempt from tax in the first-mentioned Contracting State on any remuneration for such teaching.