Legal status of the Holy See full subject of international law. The Lateran Treaty itself seems to support this view. In article 2, Italy recognized "the sovereignty of the Holy See in the international domain as an attribute inherent in its nature, in accordance with its tradition and with the requirements of its mission in the world." For a further group, the legal personality of the Holy See in international law arises from the Lateran Treaty, which, in their view, conferred international standing to the central government of the Catholic Church. In this sense, Oppenheim argued that "the previously controversial international position of the Holy See
Foreign relations of the Holy See diminishing, the number of diplomats accredited to the Holy See grew from sixteen in 1871 to twenty-seven in 1929, even before it again acquired territorial sovereignty with the founding of the State of Vatican City. In the same period, the Holy See concluded a total of twenty-nine concordats and other agreements with states, including Austro-Hungary in 1881, Russia in 1882 and 1907, France in 1886 and 1923. Two of these concordats were registered at the League of Nations at the request of the countries involved. While bereft of territorial sovereignty, the Holy See also accepted requests to act as arbitrator