Vt. Stat. Ann. tit. 11, § 837

If the shares of a disqualified person or the estate of a deceased shareholder are not acquired under section 834 or 835 of this title within 10 months after the death of the shareholder or within five months after the disqualification or transfer, the professional corporation shall immediately cancel the shares on its books, and the disqualified person or the estate of a deceased shareholder has no further interest as a shareholder in the corporation, other than the right to payment of the fair value of the shares under section 834 or 835 of this title.