Union of South American Nations UNASUR, to deliberate on the application of sanctions to the affected state. Among the political and diplomatic sanctions envisaged by the Protocol, the following stand out: Visits by South American citizens to any South American independent country of up to 90 days only require an identification document issued by the traveler's country. In November 2006, Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, and Uruguay agreed to abolish visa requirements for tourists between any of those nations. Mercosur, along with its Associate members of Bolivia, Chile, Colombia and Ecuador established that their territories together form an "area of
Union of South American Nations Union of South American Nations The Union of South American Nations (USAN; , UNASUR; , UNASUL; , UZAN; and sometimes referred to as the South American Union) is an intergovernmental regional organization comprising twelve South American countries. The UNASUR Constitutive Treaty was signed on 23 May 2008, at the Third Summit of Heads of State, held in Brasília, Brazil. According to the Constitutive Treaty, the Union's headquarters will be located in Quito, Ecuador. On 1 December 2010, Uruguay became the ninth state to ratify the UNASUR treaty, thus giving the union full legality. As the Constitutive Treaty entered into force