Vt. Stat. Ann. tit. 32, § 9704

When in the opinion of the Commissioner it is necessary for the efficient administration of this chapter to treat any salesman, representative, peddler, or canvasser as the agent of the vendor, distributor, supervisor, or employer under whom he or she operates, or from whom he or she obtains tangible personal property sold by him or her, or for whom he or she solicits business, the Commissioner may, in his or her discretion, treat such agent as the vendor jointly and severally responsible with the principal, distributor, supervisor, or employer for the collection and payment of the tax.