Ala. Code § 11-47-228
The property and income of an authority, all bonds issued by an authority, the interest on the bonds, conveyances by or to an authority, and leases, deeds, or indentures by or to an authority shall be exempt from all taxation in the state. All tangible personal property sold by an authority is expressly exempt from all state and local sales and use taxes imposed pursuant to law. An authority shall be exempt from all taxes levied by any county or municipality which has consented to and approved the project, or other political subdivision of the state, including, without limitation, license and excise taxes imposed in respect of the privilege of engaging in any of the activities in which an authority may engage. An authority shall not be obligated to pay or allow any fees, taxes, or costs to the judge of probate of any county in respect of its incorporation, the amendment of its certificate of incorporation, or the recording of any document.
Ala. Code § 11-47-228 (1975)