[With regard to any county that is exempt from the provisions of Section 19-2-3, this section shall read as follows:]
The county administrator so employed shall hold office at the pleasure of the board of supervisors and his employment may be terminated at any time by a majority vote of the board of supervisors. He shall be paid a salary to be fixed by the board of supervisors which may be paid from the county general fund or from the proceeds of any tax levied by the board of supervisors for the support and maintenance of any unit of county government, excluding schools and hospitals, or from any funds which may be available to defray the financial administration expenses of county government. The board shall provide travel and transportation expense and other office expenses as are needed in the performance of the duties of the office of county administrator. Said travel and transportation expense shall be paid on itemized vouchers in accordance with the provisions of Section 25-3-41, Mississippi Code of 1972.