This is the customer name and bill-to address.
If the customer is an existing one, the name and address cannot be edited here, but they can be edited in the Maintain Customers/Prospects window.
Tip: On the Sales/Invoicing window, the customer name appears as a link that you can click to go to the Maintain Customers/Prospects window.
If the customer is a new one, you can enter the name and billing address directly in the Bill To fields after you enter the new customer ID.
Tip: On the Sales/Invoicing window, before you enter a customer ID, you'll see an Add a new customer link that will take you to Maintain Customers/Prospects where you can add a new customer.
You can use the Ship To field to edit the shipping address. Just select the arrow button next to the field. Use the scroll box to get to the top of the list and select the address to change.