In principle, you must be present at all of your classes. However, should circumstances prevent it, you are required at the very least to be present for at least 80 percent of the subject’s total class hours during the semester; otherwise, you automatically fail the subject.
You may refer to the following examples:
3-unit lecture course meeting for 1.5 hours twice a week
allowable absences: 7
3-unit lecture course meeting for 3 hours once a week
allowable absences: 4
3-unit lecture course meeting for 2 hours five times a week during summer allowable absences: 5
2-unit lecture course meeting for 2 hours twice a week for one quarter allowable absences: 3