Receiptwhich means that it has been fully paid, or
Invoicethat is supposed to be paid in the future.
Receipt- the bill has already been fully paid.
Invoice- the bill is supposed to be paid in the future. Before closing it is balanced with an invoice payment.
BillCustomerData- Assignee data specific to a customer.
BillCompanyData- Assignee data specific to a company.
DisplayTaxationare set by default.