Navigation: Invoices >
Individual Late Fees
To add a late fee to an individual invoice, bring up the invoice window by double-clicking on the invoice in any invoice list and select the "Add Late Fee" option from the Tools menu :
This window will appear :
Set the options and click "Add Late Fee" and you're finished! Check the "Save late fee values as default" if you want the values you enter to be saved for next time.
Also see the chapter on batch late fees.