Vt. Stat. tit. 24A § 407-605
The Board of Supervisors may amend this District agreement by the following procedure. The Board of Supervisors at any regular or special meeting of the Board may, by a majority vote, pass a resolution stating its intent to amend the agreement. A written copy of the resolution, stating the wording of the amendment and the purpose of the amendment and the date of the meeting scheduled to act on the amendment, shall be delivered to the legislative branches of each municipality and mailed to or left at the usual place of residence of each member of the Board of Supervisors at least 10 business days prior to the meeting scheduled to adopt the amendment. The amendment shall become effective after 10 business days following a majority vote of the Board of Supervisors at the meeting scheduled to act on the amendment, unless a majority of the legislative branches of member municipalities requests, in writing, that the Board of Supervisors hold a special District meeting to vote on the amendment. This District agreement may be amended by the voters of the District at a special meeting called in accordance with section 501 of subchapter 5 of this chapter. This agreement may be amended from time to time in the manner herein provided, but no such amendment shall be made that shall substantially impair the rights of the holders of any bonds or other notes or other evidence of indebtedness or substantially affect any obligations under long-term contracts of the District then outstanding or in effect, or the rights of the District to procure the means for payment, continuation, or termination thereof. If the amendment is adopted by the Board of Supervisors or by the voters of the District, the Clerk of the District, within 10 days after the vote of adoption, shall certify to the Secretary of State each proposal of amendment showing the facts as to its origin and the procedure followed. The Secretary of State shall then proceed as with municipal charter amendments.
24 Appendix V.S.A. § 407-605