If you account is not paid by 3 days after the due date, there will be a 20% late payment fee added to your balance.
3 days before due date = Invoice created email gets sent
Everyday till due date = Reminder email gets sent
Everyday after due date = Late reminder email gets sent
3rd late day, after due date = Account is suspended, and late fee added to account balance.
If you account should become suspended for non-payment, once payment is made, your account will be instantly reactivated.