(1) Any person who is a participant in any state or county retirement system, who changes his or her position of employment, or who is reclassified so that under any existing law such person would participate in a different retirement system, may continue to participate and come under the same retirement system in which he or she participated or came under before changing positions or being reclassified so long as such person remains in the employ of the state or county and continues to make the contributions required by law. Any person who has changed positions or been reclassified heretofore may come back under and participate in the retirement system to which he or she belonged before such change or reclassification upon payment of all back contributions, plus 3 percent interest per annum, that would have been required by law had he or she continued to participate and come under such system continuously, such election to be made and payment to be made on or before the time of retirement.
(2) The provisions of this section shall supersede any existing law relating to state and county retirement systems or pensions, provided nothing herein shall be construed to apply to State Supreme Court justices, as provided in chapter 25; nor to circuit judges as provided by chapter 38; nor to members of Duval County employees pension fund as provided in chapter 23259, Acts, 1945, as amended by chapter 27520, Acts, 1951, and chapter 27523, Acts, 1951.
