Vt. Const. art. II, § 17

[Oath of Senators and Representatives] The Representatives having met on the day appointed by law for the commencement of a biennial session of the General Assembly, and chosen their Speaker, and the Senators having met, shall, before they proceed to business, take and subscribe the following oath, in addition to the oath prescribed in the foregoing section: You do solemnly swear (or affirm) that you did not at the time of your election to this body, and that you do not now, hold any office of profit or trust under the authority of Congress. So help you God. (Or in the case of an affirmation) Under the pains and penalties of perjury. The words “office of profit or trust under the authority of Congress” shall be construed to mean any office created directly or indirectly by Congress, and for which emolument is provided from the Treasury of the United States, other than that of a member of the commissioned or enlisted personnel in the reserve components of the armed forces of the United States while not on extended active duty.