SECTION 4. VACANCY.
   Any vacancy in the Council, except as otherwise provided in this Charter, shall be filled by a majority vote of the remaining members of the Council. If such vacancy is not filled by Council within thirty (30) days after the vacancy has been declared by a vote of the Council, the Mayor shall fill it by appointment.
   If the unexpired term is for more than one (1) year or if the next municipal election of officers will occur more than one (1) year after the vacancy, such office shall be filled by a vote of the people at an election for that purpose. Whenever possible, such election will be held on a date set aside for regular elections as defined by state law.
   If the office of Council President shall become vacant, the President Pro Tem shall assume the office and the President Pro Tem's seat shall be declared vacant. Council shall elect another President Pro Tem for the remainder of the term.