Vt. Stat. tit. 32 § 7478
The Commissioner, for the purpose of ascertaining the correctness of any return or for the purpose of making a determination of the tax liability of any taxpayer, may examine or cause to be examined by any agent or representative designated by him or her for that purpose, any books, papers, records, or memoranda of the taxpayer bearing upon the matters required to be included in any return. The Commissioner or such officers as he or she may designate may require the attendance of the taxpayer or of any other person having knowledge in the premises, at any place in the county where the taxpayer or person resides or has a place of business, or in Washington County if the taxpayer is a nonresident individual, estate, or trust or is a corporation not having a place of business in this State, and may take testimony and require proof material for his or her information, and may administer oaths or take acknowledgment in respect of any return or other information required by this title or the rules, regulations, and decisions of the Commissioner.
32 V.S.A. § 7478