24 V.S.A. App. ch. 601, § 12: Quorum

For the purposes of transacting business, the presence of more than 50 percent of the members shall constitute a quorum. However, a smaller number may postpone a meeting to another date. Any action adopted by a majority of the votes of the Board of Supervisors at which a quorum is present shall be the action of the Board, except as otherwise provided in this chapter.