If you have a balance due, you will have the option to pay with E-check or credit card online. A 4% convenience fee is charged for all credit card payments and a $1.25 convenience fee is charged for E-check payments . If the amount due is under $750.00, you may print the invoice and submit the invoice with payment by mail to the address on the invoice. IRP and IFTA transactions must be paid by certified funds. All payments should be made payable to the Alabama Department of Revenue.