All elective county officials, except County Commissioners, holding office on the effective date of this Charter, shall receive not less than the same compensation which he or she was receiving prior to the adoption of this Charter. All non-elective county employees shall be continued in county employment at a similar position and not less than the rate of compensation which he or she was then receiving and thereafter shall be entitled to appointment to a position covered by the Personnel System and subject to all its rules but not the rules concerning initial employment.