A. At the general election to be held in November 1974, there shall be elected in each county of the state, a court clerk, a county sheriff, and a county clerk who shall hold office for a term of two (2) years, the terms of the court clerk, county sheriff and county clerk beginning on the first Monday in January following their election, and until their successors are elected and qualified. At the general election to be held in November 1976, and each four (4) years thereafter, there shall be elected in each county of the state, a court clerk, a county sheriff, and a county clerk who shall hold office for a term of four (4) years; the terms of the court clerk, the county sheriff and the county clerk, beginning on the first business day in January following their election, and until their successors are elected and qualified. B. At the general election to be held in November 1974, and each four (4) years thereafter, there shall be elected in each county of the state, a county assessor and a county treasurer, who shall hold office for a term of four (4) years. The term of the county assessor shall begin on the first business day in January following the election, and shall terminate when a successor is elected and qualified. The term of the county treasurer shall begin on the first Monday in July following the election and shall terminate when the successor is duly elected and qualified. C. At the general election to be held in November 1990, and each four (4) years thereafter, there shall be elected in each county of the state two county commissioners, one from the first county commissioner district and one from the third county commissioner district, who shall hold office for a term of four (4) years. At the general election to be held in November 1990, there shall be elected in each county of the state one county commissioner from the second county commissioner district who shall hold office for a term of six (6) years. At the general election to be held in November 1996, and each four (4) years thereafter, there shall be elected in each county of the state, one county commissioner from the second county commissioner district, who shall hold office for a term of four (4) years. The terms of the county commissioners shall begin on the first business day in January following their election, and shall terminate when their successors are elected and qualified. D. A county officer shall be eligible to become a candidate for another county office or state office. E. In order to file as a candidate for county commissioner in a county commissioner's district, the candidate must have been a qualified registered elector and have maintained a current principal residence in that district for at least six (6) months immediately preceding the first day of the filing period prescribed by law. Evidence of a "principal residence" may include, but not be limited to, the address listed on:
1. A federal or state tax return;
2. A driver license; or 3. An automobile registration.