A municipal officer may resign by submitting his written resignation to the governing body of the municipality, to the remaining members of the municipal governing body if some positions are vacant, to the interim mayor or, if all positions of the governing body will become vacant upon the resignation, to the board of county commissioners of the county in which the municipality is located. Delivery of the written resignation to the governing body during a public meeting of such body or to the municipal clerk by mail or personal delivery during regular office hours shall constitute submission of the resignation to the municipal governing body. Delivery of the written resignation to the board of county commissioners during a public meeting of the commissioners or to the county clerk by mail or hand delivery during regular office hours shall constitute submission of the resignation to the board of county commissioners. A resignation submitted by a municipal officer may be withdrawn in writing at any time prior to the effective date stated in the resignation. If no effective date is stated, the resignation shall be effective immediately. Acceptance by the governing body shall not be required for the resignation to be effective.