The chancery clerks, as county auditors, shall receive compensation for their services as such the annual amount of Five Thousand Three Hundred Dollars ($5,300.00), payable in equal monthly installments out of the county treasury; however, the board of supervisors, by resolution duly adopted and entered on its minutes, may provide that such salaries shall be paid semimonthly on the first and fifteenth day of each month. If a pay date falls on a weekend or legal holiday, salary payments shall be made on the workday immediately preceding the weekend or legal holiday.