The Cancel invoice activity is used for canceling invoices with Rejected response status. To enable this command process type should be enabled the option Process after Response and sent using the Send E-Invoice command. When the user gets a rejected response from relevant authorities, it cannot be corrected by editing. Then user can cancel the invoice and enter a new invoice.
A canceled invoice is marked Cancelled in
the invoice status field and can be viewed from each invoice entry page
since the final invoice number is already assigned.