Go A/R >> Receive Payment. Enter the payment date, method and the reference number.  Enter the payment amount. Search for the order(s) for which you want to apply an overpayment, enter the amount and hit the Enter key. Notice that the Order Overpayment column will display the difference between the balance and the actual payment. A confirmation window will open. This window will display the order specific overpayments and the overpayments associated to the payment, click on Save to confirm the Overpayment.  Click the "Save & Close" button located at the lower right hand corner to apply the payment. To receive additional payments click on the "Save & New" button.

If a customer has credits due to order overpayments, they will be automatically displayed for the selected customer as Open Credits so if can be used for paying any open invoice. From the Receive Payments screen, enter the customer name and hit the Enter key. Click on "Here" to apply the credit. Select the open credit that you want to apply and Close. Select the payment method and proceed to apply the payment.  Click the "Save & Close" button located at the lower right hand corner to apply the payment. To receive additional payments click on the "Save & New" button.  Once you have finished, a confirmation pop-up message will appear at the bottom right hand corner of the screen.