Home FAQ Does swiping the card before the start of the lesson count towards attendance? And after the end of the lesson? PT Target Audience: Iscte-IUL StudentsAnswer/Solution: For the registration to be valid, it must be made within the following time interval:10 minutes before the start of the lesson until 10 minutes before the end of the lesson.In other words:In a lesson that takes place from 8:00 to 9:30 am, registration must take place between 7:50 and 9:19 am.In a lesson that takes place from 9:30 to 11:00, registration must take place between 9:20 and 10:49. Related Next How can I identify Iscte's RFID readers? And what are they for?