This Practice Note considers the role of state immunity in relation to arbitration proceedings in Austria. For a general introduction to state immunity and arbitration, see Practice Note: State immunity and arbitration—general considerations. In addition, for Practice Notes on state immunity in a number of jurisdictions around the world (including England and Wales)), see our State immunity subtopic: State immunity—overview. States and state-owned entities are often parties to international business transactions. Contracts entered into by states, in particular those involving private parties from another country, frequently contain arbitration clauses. As a consequence, states are often parties to international arbitration proceedings. As a consequence of the participation of states in international arbitration, the concept of state immunity and more particularly the question of whether a state can invoke its immunity in arbitral proceedings or, at a later stage, against the enforcement of an arbitral award becomes an important issue. A 2012 case, discussed in this Practice Note, exemplifies how the Austrian Supreme Court has dealt with a state’s immunity defence against the enforcement of