Vt. Stat. Ann. tit. 32, § 1556

A committee of either House or a committee, board, or commission appointed pursuant to an act or joint resolution of the General Assembly, when so authorized, may summon witnesses to appear before it and call for the production of persons and papers. The Sergeant at Arms shall require under oath from each witness a voucher giving the miles travelled and the days he or she attends. Such witnesses and the officer summoning them shall receive the same fees as in Superior Court. A member of the General Assembly shall not receive such fees during a session thereof.