Ala. Code § 4-3-2
Pursuant to the provisions of this article, airport authorities may be organized as public corporations with the powers herein set forth. To organize such a corporation, not less than three natural persons shall file with the governing body of any one or more counties, cities or towns within this state an application in writing for permission to incorporate a public corporation under the provisions of this article and shall attach to such application a proposed form of certificate of incorporation for such corporation. If each governing body with which the application is filed shall adopt a resolution (which need not be published or posted) approving the form of such certificate of incorporation and authorizing the formation of such a public corporation, then said applicants shall become the incorporators of and shall proceed to incorporate the authority as a public corporation in the manner hereinafter provided, using for that purpose the form of the certificate so approved.
Ala. Code § 4-3-2 (1975)