In the event of death, resignation or removal of the Administrative Officer, the Mayor shall, within ninety days of vacancy of the office, appoint a new Administrative Officer in accordance with Sections 4.01 and 4.02. During the period of such vacancy in the office of the Administrative Officer, the Mayor shall assume all powers and duties of that office. If the Mayor is unable to serve due to illness or absence from the City, the President of Council shall serve until the Mayor is able to resume such duties or until a replacement is hired.  Council shall provide compensation to the person filling this position until a new Administrative Officer is appointed by the Mayor and approved by a majority of the members elected and appointed to Council.