Purposes for which incorporated.

A professional corporation may be organized only for the purpose of rendering one specific type of professional service and services ancillary thereto and shall not engage in any business other than rendering the professional service which it was organized to render and services ancillary thereto; provided, however, that a professional corporation may own real and personal property necessary or appropriate for rendering the type of professional service it was organized to render and may invest its funds in real estate, mortgages, stocks, bonds and any other type of investments.