For specific information about your account and the debt owed, contact the Office of Collections at 517-636-5265. Promptly credit or refund overpayments and other amounts owed to your account if the amount you're owed is more than one dollar.This chapter deals with state law provisions identifying, establishing, and collecting overpayments. All states have provisions addressing these matters. If you need your remittance id, please call the Social Security Administration at 855-807-8807. Your Michigan state tax refund can only be garnished (also known as intercepted) through the Michigan Department of Treasury. Using one credit card for all online purchases may limit the number of credit card companies you have to contact if fraudulent charges show up. This page describes overpayments. An overpayment is when you receive more money for a month than the amount due. The overpayment amount will simply show up as a credit on your credit card if you have zero outstanding balance.