Ala. Code § 41-10-154

The provisions of Sections 41-10-152 through 41-10-154 shall apply both prospectively and retrospectively, except that Sections 41-10-152 through 41-10-154 shall not apply retrospectively so as to validate, cure, or remedy any act taken by an authority where such action has, prior to May 28, 1980, been held invalid by a court of competent jurisdiction and the period for appeal therefrom has expired or where such action is alleged to be invalid in an appropriate suit or proceeding pending in any court of competent jurisdiction on May 28, 1980.