Vt. Stat. tit. 11 § 805
A professional corporation may issue the shares of its capital stock only to persons who are duly licensed to render the same specific professional service as those for which the corporation was organized. A shareholder may voluntarily transfer his or her shares in a professional corporation only to a person who is duly licensed to render the same specific professional services as those for which the corporation was organized. Any shares issued in violation of this section shall be null and void. The voluntary transfer of any shares in violation of this section shall be null and void. No shares may be transferred upon the books of the professional corporation or issued by it until there is presented to and filed with the corporation a certificate by the regulating board stating that the person to whom the transfer is to be made or the shares issued is duly licensed to render the same specific professional services as those for which the corporation was organized.
11 V.S.A. § 805