First, you need to issue a check to your customer using the Accounts Receivable account for the overpayment amount. There has been an error in your favor!Double check whats's happened. Allocate the right amount and leave the rest un allocated. Make the check payable to the "U. S. Department of Labor, OWCP", notate the case ID, and indicate that it is for an overpayment. The salary overpayment resulted because . We inform people about the fact and amount of the overpayment, their right to appeal, and the options to repay or, in some cases, receive waivers for the debt. Click here to search for any overpayments on your PIN.