As used in this act the following words shall have the meaning indicated:(1) The term “professional service” means any type of personal service to the public which requires as a condition precedent to the rendering of such service the obtaining of a license or other legal authorization. By way of example and without limiting the generality thereof, the personal services which come within the provisions of this act are the personal services rendered by certified public accountants, public accountants, chiropractic physicians, dentists, osteopathic physicians, physicians and surgeons, doctors of medicine, doctors of dentistry, podiatric physicians, chiropodists, architects, veterinarians, attorneys at law, and life insurance agents.
(2) The term “professional corporation” means a corporation which is organized under this act for the sole and specific purpose of rendering professional service and which has as its shareholders only other professional corporations, professional limited liability companies, or individuals who themselves are duly licensed or otherwise legally authorized to render the same professional service as the corporation.
(3) The term “professional limited liability company” means a limited liability company that is organized under this act for the sole and specific purpose of rendering professional service and that has as its members only other professional limited liability companies, professional corporations, or individuals who themselves are duly licensed or otherwise legally authorized to render the same professional service as the limited liability company.