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
Secretary General of the Union of South American Nations of the UNASUR Secretariat. The officials selection for the latter requires an equitative representation between UNASUR Member States. It also requires an equitative representation, as much as possible, along gender, language and ethnic criteria. The tasks of the Secretary General are: Secretary General of the Union of South American Nations The Secretary General of the Union of South American Nations is the legal representative of the Secretariat of the Union of South American Nations (USAN). The position was established by the UNASUR Constitutive Treaty and the first Secretary General was designated on 4 May 2010. The Secretary General of UNASUR