The students who are selected for an exchange programm by their home university have to do an online application at http://sia.uab.es. The deadlines are May 1st - June 15th for the first term and November 1st - December 10th for the second term.
When you arrive at the UAB, you should go to the International Welcome Point first. It is located on the Plaça Cívica, near the Ferrocarril-Station Universitat Autònoma. There you will recieve the identification card for international UAB students.
The Edifici d'Estudiants, next to the Welcome Point, offers you information about accommodation, language courses and cultural events taking place at the UAB.