Alabama Code Title 11. Counties and Municipal Corporations § 11-44B-24

(a) To annex all or any portion of any unincorporated territory or any unincorporated territories which are enclosed within the corporate limits of the municipality and have been so enclosed for a period of one (1) year or more on April 21, 1994. The municipality shall adopt an ordinance finding and declaring that the unincorporated territory or unincorporated territories set forth and described therein is enclosed within the existing corporate limits of the municipality and has been so enclosed for a period of one (1) year or more on April 21, 1994, and that the annexation of the unincorporated territory or unincorporated territories is in the best interest of the public good and welfare of the municipality. Annexation of the unincorporated territory or unincorporated territories described in the ordinance shall be effective following the adoption and the publication thereof as required by law, and the filing of a copy of the ordinance, together with a map of the territory or territories annexed in the office of the judge of probate of the county or counties where the annexed territory is located. Any annexation made pursuant to this subsection must be made within one year of April 21, 1994.

(b) To annex all or any portion of any unincorporated territory or any unincorporated territories which become enclosed within the corporate limits of the municipality and have been so enclosed for a period of one (1) year or more. The municipality shall adopt an ordinance finding and declaring that the unincorporated territory or unincorporated territories set forth and described therein is enclosed within the corporate limits of the municipality and has been so enclosed for a period of one (1) year or more on the date of the adoption of said ordinance and that the annexation of the unincorporated territory or unincorporated territories is in the best interest of the public good and welfare of the municipality. Annexation of the unincorporated territory or unincorporated territories described in the ordinance shall be effective following the adoption and the publication thereof as required by law, and the filing of a copy of the ordinance, together with a map of the territory or territories annexed in the office of the judge of probate of the county or counties where the annexed territory is located. Provided, however, no unincorporated territory or unincorporated territories larger than fifteen (15) acres in size may be annexed pursuant to the provisions of this subsection.