You may pay online through the My Alabama Taxes portal. https://myalabamataxes.alabama.gov/. You will need to have your bank routing number and checking account number to use this service. No fee is charged for this service. If you are paying with funds on a foreign bank, you must include an additional $25 exchange fee. For instruction on how to make a MAT payment go to: https://myalabamataxes.alabama.gov/webfiles/help/index.html#payments+makepayment
Do not use Form 40V when paying online.