Ala. Code § 11-49C-2

It is the purpose of this chapter to permit certain Class 8 municipalities the most efficient use of their powers by enabling them to cooperate with other localities on a basis of mutual advantage and thereby provide services and facilities in a manner and pursuant to forms of governmental organization that will accord best with geographic, economic, population, and other factors influencing the needs and development of local communities, public transportation systems, fire fighting, law enforcement, and public works.