1981 United Nations Secretary-General selection straw polls, an innovation that became the standard method for selecting a Secretary-General in future open selections. Waldheim's defeat also confirmed the informal two-term limit on the office of Secretary-General, and Pérez's selection firmly established the principle of regional rotation. The Secretary-General of the United Nations is appointed by the General Assembly on the recommendation of the Security Council. Therefore, candidates for the office can be vetoed by any of the permanent members. In 1981, Kurt Waldheim of Austria was finishing up his second term as Secretary-General, despite Chinese preferences for a Secretary-General from the Third World. In the 1971
Under-Secretary-General of the United Nations does not use the title of Under-Secretary-General. USGs have diplomatic rank equivalent to that of a national cabinet minister. Under Article 105 of the United Nations Charter they have diplomatic immunity. With over 50 people with the rank of Under-Secretary-General, unsurprisingly the influence and power they wield within the UN System varies dramatically. The most important USGs, controlling budgets, programmes or key activities, are also members of the Secretary-General's Senior Management Group, whose objective is to ensure strategic coherence and direction in the work of the Organization. The cabinet was approved by the General Assembly in 1997 as part of