Ala. Code § 10A-4-2.01

A domestic professional corporation may be organized under this chapter for the purpose of, and shall have the power to render, professional services if the domestic professional corporation complies with the rules of the licensing authority for such profession; provided that in the case of a professional corporation, at least one stockholder of the professional corporation is duly licensed to provide each professional service for which the professional corporation is organized, or, in the case of a nonprofit professional corporation, all of the professional services rendered by the professional corporation are rendered by persons duly licensed to render the professional service.