They shall refrain from public declarations or activity. They shall not sell anything brought by them to Chile. Every Friday there is a diplomatic bag leaving the ESO office in Garching and one leaving from Santiago. In compliance with international agreements, Visiting Astronomers are only allowed to use this bag for sending observational material or letters. ESO reserves the right to open and check all mail and parcels.
Some nationalities require a visa to enter Chile.
Where applicable the persons will be informed. It is recommended to contact the airline before departure to verify the time schedule. Driving in Chile is permitted only with an International Driving Licence . The use of a car at the Observatory site will only be allowed if either an international or a national driver's license is presented. They will receive information concerning transport, import, and export procedure.