A. The governing body may amend the budget to make supplemental appropriations to any fund up to the amount of additional revenues which are available for current expenses for the fund due to:

B. If at any time during the budget year it appears probable that revenues available will be insufficient to meet the amount appropriated, or that due to unforeseen emergencies there is temporarily insufficient money in a particular fund to meet the requirements of appropriation for the fund, the governing body shall take action as it deems necessary. For that purpose, it may amend the budget to reduce one or more appropriations or it may amend the budget to transfer money from one fund to another fund, but no appropriation for debt service may be reduced and no appropriation may be reduced by more than the amount of the unencumbered and unexpended balance thereof. No transfer shall be made from the debt service fund to any other fund except as may be permitted by the terms of the bond issue or applicable law.

C. A budget amendment as provided in this section authorizing supplemental appropriations or a decrease in the total appropriation of funds shall be adopted at a meeting of the governing body and filed with the municipal clerk and the State Auditor and Inspector.