A visa is an official authorization appended to a passport, permitting entry into and travel within a particular country. A visa is proof that you have permission from the Argentine or Chilean government to stay for the allotted time. U.S. Citizens U.S. citizens are not required to have visas to study on the IES Abroad Multi-Location - Emerging Economies: Buenos Aires & Santiago program. At the point of entry into Argentina, you will receive a tourist stamp in your passport which will allow you to legally stay in Argentina for 90 days with a tourist status. At the point of entry into Chile...