A. The chief executive officer, or designee, as authorized by the governing body, may transfer any unexpended and unencumbered appropriation or any portion thereof from one department to another within the same fund; except that no appropriation for debt service or other appropriation required by law or ordinance may be reduced below the minimums required.

B. Any fund balance in an enterprise fund of the municipality may be transferred to another fund of the municipality as authorized by the governing body. Other interfund transfers may be made only as adopted or amended according to Section 17-206 or 17-216 of this title.

C. Whenever the necessity for maintaining any fund of a municipality has ceased to exist and a balance remains in the fund, the governing body may authorize the transfer of the balance to the general fund or any other designated fund, unless otherwise provided by law.

D. No encumbrance or expenditure may be authorized or made by any officer or employee which exceeds the available appropriation for each department within a fund.