If the payments can not be charged to your card(s) on file, we may attempt to charge your installment via the ACH payment method attached. You can make this default from the Payment section of your My ViaBill account.You may have an ACH charge if your card has failed to clear on the day that the installment was due.ViaBill will attempt to charge your installment on your fixed due date with your default payment method. If this payment can not be made, we will try again for the next three (3) consecutive days following your due date. If this payment can still not be completed by the desired card on file, we will attempt to charge the amount via ACH instead.Providing you have one active valid payment method, you reserve the right to remove your checking account from your ViaBill account by simply reaching out to our support team.