Invoices are automatically marked as issued when they are printed or emailed individually.
When initially creating an invoice, you can use the Save drop-down menu to Save & Print, Save & Email an invoice or both.
To issue owing invoices in bulk, use the Outstanding Invoices report.
To manually mark an invoice as issued, open the invoice by going to the Client File > Invoices.
Select the Invoice you need to mark as issued.
Select the Mark as Issued button.
To mark an invoice as unissued, select the Mark as Unissued button.