Choose a flat fee or a percentage for invoices that qualify for late fees.
1. Open Document Options
Open Business Profiles. Select Edit beside the business you want to change, then choose Document Options, then Invoices.
2. Late Fees
Find Late Fees under Invoice Options. Turn it on and select Flat or Percentage, then enter the amount or rate.
3. Save Changes
Select Save Changes. Review Options → Late Fees on the invoice and check its due date and outstanding balance.
4. Save and check the result
Save and preview the invoice to check the terms. Turning on a default does not add a fee to every older overdue invoice.