Ala. Code § 45-41-244.68

If the governing body of the county elects to levy or impose either of the taxes authorized by the preceding Sections 45-41-244.62 and 45-41-244.63 to be levied, it shall specify, as the effective date of such levy, the first day of the second calendar month next following that during which such levy is made. The maximum duration of the levy of the sales and use taxes authorized by Sections 45-41-244.62 and 45-41-244.63 to be levied shall be a period of six years from the effective date of the levy of the privilege, license, and excise taxes authorized to be levied by Sections 45-41-244.50 to 45-41-244.60, inclusive.