Whenever any office of Councilperson becomes vacant, the vacancy shall be filled by appointment by a majority vote of the remaining members of Council eligible to vote to serve for the unexpired term or until the election of a successor for the unexpired term at the next regular municipal election, provided that, (a) such election shall occur more than two years prior to the expiration of the unexpired term and (b) the vacancy shall have occurred not less than thirty (30) days prior to the candidate filing deadline for said next regular municipal election. If Council does not fill said vacancy within thirty (30) days, the Mayor shall appoint a Councilperson to fill said vacancy. (Amended 11-8-05.)