Ala. Code § 41-10-104

The corporation or any lessee of the project or a part thereof shall have the right to conduct such exhibits, contests, and sporting events in a project or any part thereof as in the judgment of the board may be in the public interest or as may tend to promote and develop trade, industry, or commerce in the state or to provide public recreation and enjoyment or to create goodwill for the state, with or without fees or charges for admission thereto.