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
Holy See and the United Nations those State Members of the United Nations who are not members of those regional commissions. In addition, the Holy See enjoys full membership in some specialized agencies of the United Nations dependent on ECOSOC such as WIPO, ITU, and UPU. In order to follow the work of those ECOSOC subsidiary bodies and agencies that meet regularly in Geneva, the Holy See has established a Permanent Observer Mission in Geneva. Having observer status at the United Nations, the Holy See is also able to observe all open meetings of the United Nations Security Council. Occasionally, the Holy See has asked and