Ala. Code § 40-23-233
Any county or municipality may, by resolution or ordinance adopted at least 14 days prior to the first full weekend of July in 2012 and at least 30 days prior to the last full weekend of February in subsequent years, provide for the exemption of covered items from paying 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 twelve 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.
Ala. Code § 40-23-233 (1975)