Ala. Code § 11-51-209: Gross Receipts Tax.

The governing body of a county or municipality that levied or administered a gross receipts tax in the nature of a sales tax, as defined in Section 40-2A-3(8), on February 25, 1997, may continue to do so after July 1, 1998. However, no other governing body of a county or municipality may levy or administer a gross receipts tax in the nature of a sales tax. This section shall not apply to county or municipal gasoline or motor fuel taxes, privilege or business license taxes levied on a business for the privilege of doing business within the county or municipality, occupational license taxes, tobacco taxes, or other similar taxes levied by a county or municipality pursuant to Section 11-51-90 or local laws, except privilege or license taxes levied in the nature of a sales tax.