While there is only a few, they are the two most important. At any point in time the staff team may add more to this list.
Day Class students are forbidden to leave their dorms at night and Night Class students may not travel during the day. We wouldn't want our little secret getting out now would we?
Night Class: If by some weird chance you do come into contact with one the Day Class, you are not to reveal your true selves at all.
Stay out of the opposite sex's dorm. While this is not as enforced as wandering at night, it is a rule we still need to enforce. However, we cannot catch everyone.