Ala. Code § 16-60-90
The authority may from time to time sell and issue its bonds, not exceeding $15,000,000.00 in aggregate principal amount, for the purpose of providing funds for the construction and equipment of trade schools and junior colleges, including the improvement of sites therefor, the construction of buildings and the reconstruction, improvement and alteration of existing buildings therefor and the acquisition, purchase and installation of original equipment therefor. No part of the proceeds from the sale of the bonds may be used to pay the cost of the acquisition, by purchase or otherwise, of real estate to be used as a site for any such school or college or any building connected therewith or the acquisition, by purchase or otherwise, of any existing building.
Ala. Code § 16-60-90 (1975)