<p>I dropped a course on USC On-Line Registration System and added another course about a week ago. However, I just checked OASIS and I have not seen any updates on my new course schedule. Should I call USC? If so, who should I call?</p>
<p>thank you</p>
<p>Wait a little longer and check again. The fall semester hasn't started yet, so you still have time.</p>
<p>As long as you made sure that you clicked on "Commit Changes" and that the Web Registration confirmed that you successfully registered, you should be fine. I dropped/added courses within the past week, and I noted the change on OASIS only minutes after I did so.</p>