(a) This section shall be applicable to supernumerary circuit clerks In Escambia County.
(b) Any law to the contrary notwithstanding, the Supernumerary Circuit Clerk of Escambia County shall receive an annual expense allowance in an amount which together with any salary from county, municipality, or state funds shall equal the total annual salary paid to the Supernumerary Tax Collector of Escambia County. Such annual expense allowance shall be payable from the county general fund in monthly installments in an amount equalling the difference between the monthly installment of the total annual salary paid to the county supernumerary tax collector and the monthly installment of the annual salary paid to the county supernumerary circuit clerk.