(a) The Sheriff of Bibb County shall receive an annual expense allowance of eight thousand four hundred eighty dollars ($8,480), payable in equal biweekly installments from the general fund of the county. This expense allowance shall be in addition to all other compensation or benefits granted to the sheriff and may be treated as compensation for retirement purposes.
(b) Effective beginning the next term of office, the annual salary of the Sheriff of Bibb County shall be increased by eight thousand four hundred eighty dollars ($8,480) and the expense allowance provided for in subsection (a) shall become null and void.
(c) In addition, the sheriff shall continue to receive any uniform cost-of-living or other salary increases granted by the county commission to other elected officials in the county.