Ala. Code § 40-18-14.1

Notwithstanding any other laws, all deferred compensation plans for public or private employees authorized in this state shall receive the same tax deferred treatment for state income tax purposes which the plan receives from the Internal Revenue Service for federal income tax purposes in a tax year. Contributions to such a plan which are subject to state income tax for the 1996 calendar year and prior years shall not be subject to any further state income taxation at the time of withdrawal.