There were approximately 30 international conventions under which the Court had similar jurisdiction, including the Treaty of Versailles, the Air Navigation Convention, the Treaty of St. Germain and all mandates signed by the League of Nations.[94] It was also foreseen that there would be clauses inserted in bipartite international treaties, which would allow the referral of disputes to the Court; that occurred, with such provisions found in treaties between Czechoslovakia and Austria, and between Czechoslovakia and Poland.[95]