To process an invoice, you must first find the customer in the client window. Once you have the customer in ``Change mode'', the ``Invoicing/New Invoice'' menubutton becomes available. Click the ``Invoicing/New Invoice'' menubutton to display the invoice window shown in figure 3.14.
Figure 3.14: Invoice window
As seen in figure 3.14, Qba displays the client's first/last name and company name along with the date and time in the invoice window's title bar.