How to Apply Standard invoice with prepayment In Oracle R12?

After making payment to a prepayment invoice against a supplier, that is ready to apply against the standard invoices. After entering in to the Invoice window, select the supplier and enter required details, next go to Actions and click on Apply/Unapply prepayment check box.

Payable will display the available prepayments which we can apply to the invoices. Select a prepayment and enter the required amount you want to apply and click on Apply/unapply button.