Select the priority that determines how invoice lines will be settled. The following options are available: None (the invoice ...

Select the priority that determines how invoice lines will be settled. The following options are available: None (the invoice lines will be paid in the order in which they appear on the invoice), Billing code (the invoice lines will be paid in the order that is specified in the Billing classifications page), and Proration (a part of each invoice line will be paid, based on the option that is selected in the Proration type field). This field is available only if the Mark lines on free text invoices and interest notes option is selected in the Accounts receivable parameters page.