Invoicing tab (Client Settings)
In this tab, you can:
enable or disable invoice number modification.
permit or forbid the use of multiple templates per invoice.
select the Default Invoice Signatory among the Home Portal users.
permit or forbid the modification of the invoice value.
specify whether you want to send one e-mail for multiple delayed payments.
specify whether you want to permit the reverting of status for Sent invoices and credit notes.