Ala. Code § 11-56-13 (2026)
(a) The principal of and the interest on the bonds shall be secured by a pledge of the revenues out of which the bonds shall be made payable and by a pledge of the lease agreement covering the project from which revenues so pledged shall be derived and of the rental therefrom and may be secured by an indenture covering such project.
The trustee under any indenture may be a trust company or bank having trust powers, whether located within or without the state. The indenture may contain any agreements and provisions customarily contained in instruments securing evidences of indebtedness including, without limiting the generality of the foregoing, provisions respecting the collection, segregation and application of the rental from any project covered by such indenture, the terms to be incorporated in the lease agreement respecting such project, the maintenance and insurance of such project, the creation and maintenance of special funds from the rental of such project, and the rights and remedies available in the event of default to the holders of the bonds or the trustee under the indenture all as the board shall deem advisable and as shall not be in conflict with the provisions of this chapter; provided, however, that in making any such agreements or provisions the corporation shall not have the power to obligate itself except with respect to projects and the application of the revenues therefrom.
(Acts 1955, No. 493, p. 1116, §12.)