If you need to switch, you must EMAIL ME BY MAY 17th. You must include in the subject line which class of mine you are in. You must also provide in the body of the email your name and the following information about the class that is conflicting with mine: class name (i.e. Economics 101: Macroeconomics), time, and instructor of the class.
Students not following the above instructions will not be allowed to take the exam on the "wrong" day.