Article 1

1. The premises of the Organisation shall be inviolable.

2. The authorities of the States in which the Organisation has: its premises shall not enter those premises, except with the consent of the President of the European Patent Office. Such consent shall be assumed in case of fire or other disaster requiring prompt protective action.

3. Service of process at the premises of the Organisation and of any other procedural instruments relating to a cause of action against the Organisation shall not constitute breach of inviolability.