Ala. Code § 40-23-233: County and Municipal Exemptions Authorized.

Any county or municipality, by resolution or ordinance adopted at least 14 days prior to the first full weekend of July in 2012 and at least 90 days prior to the last full weekend of February in subsequent years, may provide for the exemption of covered items from county or municipal sales and use taxes during a period commencing at 12:01 a.m. on the first Friday in July in 2012, and the Friday of the last full weekend of February in subsequent years, and ending at 12:00 midnight the following Sunday under the same terms, conditions, and definitions as provided for the state sales tax holiday. Notwithstanding the foregoing, a county or municipality is prohibited from providing such an exemption during any other period of the year that is not designated as a sales tax holiday.