The application keeps track of the letters of excuse validated and entered in the System by the Office for Studies. Every student's letter of excuse is validated only once. Therefore, if you study at several faculties, submitting the letter to only one Office for Studies suffices.

The Excused from and Excused until fields can be filled with date, hour, and minute. For the excuse to be recognized as valid, Excused must be entered. Provided a letter of excuse is submitted to the Office for Studies too late, the student's absence might not be excused.