(a) Beginning with the expiration of the term of the incumbent sheriff in office on March 31, 2022, the annual salary for the Sheriff of Blount County shall be equal to 90 percent of the annual base salary of the judge of probate of the county, payable in equal monthly installments from the general fund of the county.
(b) The salary provided in this section shall be inoperative if the sheriff receives an additional expense allowance or salary increase pursuant to general law during the current term of office or effective upon the beginning of the next term of office which is equal to or greater than the amount provided by this section.