Visa – Invitation Letter
If you come from abroad, do not forget to check with the Consulate / Embassy of Argentina in your country to determine whether you need a visa to enter Argentina. You may also check this information at http://www.migraciones.gov.ar/accesibleingles/?visas
If you need a visa to enter Argentina, download “here” details of the requirements to apply according to local regulations.
If you only need a generic invitation letter for your own institution, you may download it “here”