#. Go to *Point of Sale / Dashboard* and create and open or access to an already open POS Session. #. Press the button **Pay Invoice** to pay a Supplier Invoice or a Customer Refund. It will be paid using Cash. #. Select **Collect Payment from Invoice** in to receive a payment of an existing Customer Invoice or a Supplier Refund. You will need to select a Journal if the POS Config has defined multiple Payment Methods.