Code of Alabama
Article 5 - Taxes on Sale of Gasoline and Motor Fuel.
Section 40-23-130 - Calculation of Municipal or County Gross Receipts Tax.

Any gross receipts tax imposed by a municipality or county on the sale of gasoline and motor fuel shall be based on the gross receipts from the sale of gasoline and motor fuel minus any taxes imposed on the sale of gasoline and motor fuel by the state, federal, or local governments.