Ala. Code § 11-57-10
The authority and the municipality are hereby respectively authorized to enter into one or more lease agreements with each other whereunder one or more projects or any part thereof shall be leased by the authority to the municipality. No such lease agreement shall be for a term longer than the then current fiscal year in which it is made. Any such lease agreement made, however, may contain a grant to the municipality of successive options to renew such lease agreement, on the conditions specified therein, for additional terms, but no such additional term shall be for a period longer than the fiscal year in which such renewal shall be made. The lease agreement may contain provisions as to the method by which such renewal may be effected. The obligation on the part of the municipality to pay the rental required to be paid and to perform the agreements on the part of the municipality required to be performed during any fiscal year during which the lease agreement is in effect shall constitute a general obligation of the municipality, and the municipality is authorized to pledge its full faith and credit for the payment of such rental and the performance of such agreements; provided, that the rental required to be paid and the agreements required to be performed by the municipality under the lease agreement during any fiscal year during which the lease agreement is in effect shall be payable solely out of the current revenues of the municipality for such fiscal year. Any lease agreement may contain such covenants as shall not be inconsistent with this chapter. The rental required to be paid and the agreements required to be performed by the municipality under the provisions of the lease agreement shall never create an indebtedness of the municipality within the meaning of Section 225 of the Constitution of the state.
If any space available for rent in any project which shall have been leased in whole or in part to the municipality should become vacant after acquisition or construction of the project by the authority, then until such time as all such vacant space shall have been filled or rented neither the municipality nor any officer, department or agency thereof shall thereafter enter into any rental agreement or renew any then existing rental agreement for other space in or about the municipality to be used for the same purposes for which such vacant space in the project is capable of being used.
Ala. Code § 11-57-10 (1975)