(a) Commencing on October 1, 1988, the Circuit Judges and District Attorney of the Twentieth Judicial Circuit shall each receive a local salary supplement from the Houston County General Fund in the amount of eight thousand dollars ($8,000) per annum, payable in equal monthly installments. Commencing on October 1, 1988, the district judges in Houston County shall each receive a local salary supplement payable in equal monthly installments calculated to preserve the ratio between total compensation paid by the state to district judges and total compensation paid by the state to circuit judges. Provided nonetheless, that if the Legislature shall enact a statewide salary increase applicable to any judge or district attorney affected by this section at its 1988 or 1989 Regular Session, any local salary supplement payable to a judge or district attorney under the terms of this section shall be diminished in the amount of such increase.
(b) This section shall not affect any other salary supplement currently provided by law and shall not be construed to increase retirement benefits for judges and district attorneys in the Twentieth Judicial Circuit.