Act 2014-146 shall apply to (1) all proceedings commenced in the Alabama Tax Tribunal on or after October 1, 2014, and (2) all administrative proceedings commenced prior to October 1, 2014, that have not been the subject of a final and irrevocable administrative action as of October 1, 2014, to the extent Act 2014-146 can be made applicable thereto. Any administrative proceeding in which a hearing has commenced prior to the effective date of Act 2014-146 shall be transferred to the Alabama Tax Tribunal, which shall render the decision in such proceeding unless there is a prior settlement. Act 2014-146 shall not affect any proceeding, prosecution, action, suit, or appeal commenced in the judicial branch before its effective date.