There is created and established upon the occurrence of the events provided in Section 12.01 of this Charter, a Civil Service Commission which shall consist of three members, who shall be qualified electors of the Municipality and shall be appointed for terms of five years each by a majority vote of the members elected to Council; provided that the first persons appointed by Council pursuant to this section shall be appointed as follows: one member shall be appointed for a two year term, one member shall be appointed for a three year term, and one member shall be appointed for a five year term, and thereafter each member shall be appointed for a five year term and shall continue in office until his successor is appointed. No member of the Civil Service Commission shall hold any other office or employment with the Municipality and not more than two of such members shall be members of the same political party.