All individuals seeking employment in positions that are covered by this article shall file their applications with the Civil Service Board of Calhoun County in accordance with guidelines to be established by the board. All applications shall be on forms furnished by the board, and all applicants for positions assigned to the classified and part-time services, except for those considered by the board to be unskilled or otherwise unsuitable for examination, shall be subject to examinations. Applicants for positions assigned to the temporary service shall not be required to undergo examinations or otherwise be tested for the position they seek unless determined by the board and appointing authority to be necessary. All examinations shall be public, competitive, and open to all individuals who meet the eligibility requirements established by the board. All examinations shall be practical in their character and relate to those matters as determined by the board, in coordination with the appropriate appointing authority, to fairly test the relative ability of an individual to discharge satisfactorily the duties of the position he or she seeks. The board shall conduct all examinations, or arrange for the examination to be conducted by an appropriate person or persons, and determine the time and location of the examinations. The board shall rank each qualified applicant on the appropriate eligibility list based upon the applicants examination results and his or her demonstrated ability to satisfactorily discharge the duties of the position he or she seeks. When an appointing authority has a vacancy in a job or position that is covered by this article, he or she shall notify the board and request names be forwarded to him or her for his or her consideration in filling the vacancy. If the vacancy is in a classified service job or position, the board shall forward the names of the top applicants from the eligibility list for the position to the appointing authority in accordance with guidelines to be established by the board. The board may, at its discretion, provide in its implementing rules and regulations for the reassignment, to include promotion, transfer, or voluntary demotion, of a qualified regular status classified employee before consideration shall be given to the employment of an individual from an eligibility list. If the vacancy is in a job or position assigned to the temporary or part-time service, it shall be filled in accordance with guidelines as established by the board in its implementing rules and regulations.