Ala. Code § 16-16B-7
The Bonds shall not be general obligations of the Authority but shall be limited obligations payable solely out of the residues of the tax receipts appropriated and pledged in Section 16-16B-6. All Bonds issued by the Authority pursuant to the provisions of this chapter shall be solely and exclusively obligations of the Authority and shall not constitute or create an obligation or debt of the State. As security for the payment of the principal of, premium, if any, and interest on the Bonds, the Authority is hereby authorized and empowered to pledge the residues of the tax receipts that are appropriated and pledged in Section 16-16B-6 hereof for such purposes. All such pledges made by the Authority shall take precedence in the order of the adoption of the resolutions containing the pledges. All such pledges shall be prior and superior to any pledges that may be made for any refunding bonds hereafter issued by the Authority under the provisions of any of the 1965 Act, the 1971 Acts, the 1973 Act, the 1978 Act, the 1985 Act, the 1990 Act, the 1995 Act, the 1998 Act, the 1999 Act, the 2001 Act, the 2002 Act, the 2003 Act, the 2007 Act, or any other act heretofore enacted.
Ala. Code § 16-16B-7 (1975)