(a) Actions or resolutions of the Board of Supervisors for the annual appropriations of any year shall not cease to be operative at the end of the fiscal year for which they were adopted, except as otherwise provided by the laws of the State of Vermont.

(b) Appropriations made by the Board of Supervisors for the various estimates of the budget as defined in subsection 402(a) of this subchapter shall be expended only for such estimates, but by majority vote of the Board of Supervisors the budget may be amended from time to time to transfer funds between or among such estimates, except as otherwise limited herein. Any balance left or unencumbered in any such budget estimate, or the amount of any deficit at the end of the fiscal year, shall be included in and paid out of the operating budget and appropriations in the next fiscal year.