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Gasoline and Undyed Diesel Fuel Excise Tax Law Changes

July 26, 2019 Legislative Updates

On March 12, 2019, Governor Kay Ivey signed into law Act 2019-2 also known as the Rebuild Alabama Act. The changes that take effect September 1, 2019 are summarized below:

Tax Increase
Effective September 1, 2019, the gasoline and undyed diesel excise taxes will increase by $.06 per gallon to $.24 per gallon for gasoline and to $.25 per gallon for undyed diesel.

Tax Return Due Date
The due date of the return and payment for all motor fuel taxes, other than the 3-day voucher and payment as required in Section 40-17-340(d), Code of Alabama, has been changed from the 22nd to the 20th day of the month following the month in which the tax accrues. This change applies to the Blender, Exporter, Importer, and Supplier returns and payments (Alabama Terminal Excise Tax Act 2011-565 and amendments). The due date for the September 2019 period returns and payments is October 21, 2019 (Oct. 20th is on a Sunday).

Floor-Stocks Tax
Any wholesale distributor holding motor fuel in inventory outside of the bulk transfer/terminal system on the effective date of each tax increase levied by this Act shall be liable for the additional excise tax. This does not include product located at a retail service station. A floor-stocks tax return shall be filed and the tax paid on or before the last day of the third month following the tax increase. Beginning October 1, 2019, the floor-stocks return can be found by accessing our webpage at and typing in “floor-stocks” in the search box. This form must be filed manually with the department. The floor-stocks tax return and payment for the tax increase effective September 1, 2019 shall be due on or before December 31, 2019.

If you have any questions pertaining to this notice, please contact this office at the address or telephone number shown below or via email at

P.O. BOX 327540
(334) 242-9608
(334) 242-1199 (Fax)

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