According to the WI Stat. 943.24, a student can be fined and required to appear in court for issuing a worthless check (including online transactions). The University will assess a $20 service charge if any payment on your account, or to any department on campus, is returned as unpaid. This is in addition to the charge your bank may assess. If your check is returned NSF (non-sufficient funds), then you may lose your check writing privilege with the university.
Your account will also be returned to the same status as it was before the payment was received. In other words, interest and/or administrative fees may be charged. In addition, your classes may be at risk for cancellation.
If your bank made a mistake, have them send a letter of explanation to the UW-Whitewater Cashier’s Office, PO Box 88, Whitewater WI 53190.