Ala. Code § 45-20-242.52: When Taxes Effective.

Unless otherwise expressly provided for in the order, ordinance, or resolution levying the taxes herein authorized, such taxes shall become effective on the first day of the second month next following the date of the order, ordinance, or resolution; provided, notice of the adoption of such an order, ordinance, or resolution shall be given to the Commissioner of the State Department of Revenue not less than 45 days before the taxes are to become effective. The taxes levied and imposed shall be in addition to all other taxes now provided by law and shall be collected as hereinafter provided.