(a) Vacancies in offices elective or appointive by the Commission shall be filled in the manner provided for the original filling of such office.
(b) Vacancies in the office of Commissioner or Mayor shall, within sixty days after such vacancy occurs, be filled for the unexpired term of the officer whose office has become vacant by appointment by a majority vote of the members of the Commission then in office of a person possessing the qualifications for the office.
If any such vacancy in the position of Commissioner is not so filled within sixty days, or if three or more vacancies exist simultaneously in such position, the Clerk shall within ten days thereafter call a special election to be held within sixty days thereafter to fill such vacancies for the unexpired terms of the officers whose offices have become vacant and the date thereof approved by the County Elections Scheduling Committee.
Notwithstanding the foregoing, no vacancy in an elective office shall be filled in any manner if the term of office of the person whose office has become vacant expires within ninety days after the vacancy occurs. The provisions of this section shall not apply to the filling of vacancies resulting from recall.