AN ACT TO PROHIBIT AN ELECTED OFFICIAL FROM CHANGING POLITICAL PARTY AFFILIATION DURING SUCH OFFICIAL'S TERM OF OFFICE; TO PROVIDE THAT A CHANGE OF POLITICAL PARTY AFFILIATION SHALL BE CONSIDERED A RESIGNATION AND THE OFFICE OF SUCH OFFICIAL SHALL BE VACANT AND FILLED AS PROVIDED BY LAW FOR SUCH OFFICE; TO PROVIDE THAT SUCH VACANCY SHALL BE FILLED AS PROVIDED BY LAW FOR THAT OFFICE; AND FOR RELATED PURPOSES.