Disable fees feature works when you want to keep using convenience fees & incentives active for all its payers except one.
Using Disable Fees
You can enable Disable Fees by turning the checkbox on and off at the time of the payment on the virtual terminal of invoices, sales orders, unapplied payments, and unapplied customer deposits.
If you don't see the Disable Fee option on the virtual terminal, Submit a Request to the Support team.