Michigan Compiled Laws, Chapter 259. Aviation § 259.807

Sec. 7. The authority shall be a public body corporate with powers to sue or be sued in any court of this state and have the power and duty of planning, promoting, extending, owning, maintaining, acquiring, purchasing, constructing, improving, enlarging and operating all publicly-owned airports and airport facilities hereinafter established to be operated within the territorial jurisdiction of the authority. Any existing publicly-owned airport or airport facility now or hereafter within the jurisdictional confines of the authority may elect to come within the operational jurisdiction of the authority unless prohibited by legal restrictions or limitations, upon acceptance by the authority under mutually agreeable terms and conditions.