§ 11. [Governor to approve bills; veto proceedings thereon; nonaction]

Every bill which shall have passed the Senate and House of Representatives shall, before it becomes a law, be presented to the Governor; if the Governor approve, the Governor shall sign it; if not, the Governor shall return it, with objections in writing, to the House in which it shall have originated; which shall proceed to reconsider it. If, upon such reconsideration, two-thirds of the members present of that House shall pass the bill, it shall, together with the objections, be sent to the other House, by which it shall likewise be reconsidered, and if approved by two-thirds of the members present of that House, it shall become a law.

(Chapter 2, § 11 of the Vermont Constitution as presented on the Vermont legislative website)