Discover Credit Card Complaint

Discover Credit card department,

Minnesota

We accidentally overpaid our Discover bill by approximately $15000.00. We called more than a week ago and we were assured that a check would be sent to us in a day. After not receiving the check after about a week, we called and spoke with a customer service representation who assured us that the check had been mailed " that day ''. We doubted the veracity of this claim and asked to speak with a supervisor who said the check had not been mailed ( admitted that they had lied to us on two occasions ), and the could n't tell us when we could expect a refund.