Ala. Const. art. XVIII, § 284.01
(b) To determine whether a proposed amendment shall be placed on the ballot in only one county or a political subdivision within one or more counties and the affected county or counties, as provided in subsection (a), the proposed amendment shall be approved by each house of the Legislature under the following process:
(3) The proposed amendment shall then be sent to the other house for consideration and, if at least three-fifths of all the members elected to that house vote in favor of the proposed amendment, that house shall likewise immediately proceed to consider a resolution of local application as provided in subdivision (2).
In the event that both houses of the Legislature approve the amendment by at least a three-fifths vote of their elected members and also determine by vote without dissent that the proposed amendment affects or applies to only one county or a political subdivision within one or more counties, the proposed amendment shall be placed on the ballot only in the county or political subdivision and county or counties affected.