A. The assistant district attorney for the Twenty-Third Judicial District shall receive as compensation for his services, in addition to the annual salary paid by the state, an annual salary of four thousand five hundred dollars, payable monthly. The additional salary shall be paid by the parishes comprising the Twenty-Third Judicial District, apportioned as follows:
(1) By the parish of Ascension, the sum of one thousand five hundred dollars per annum.
(2) By the parish of Assumption, the sum of one thousand five hundred dollars per annum.
(3) By the parish of St. James, the sum of one thousand five hundred dollars per annum.
B. The second assistant district attorney for the Twenty-Third Judicial District shall receive as compensation for his services, in addition to the annual salary paid by the state, an annual salary of three thousand dollars, payable monthly. The additional salary shall be paid by the parishes comprising the Twenty-Third Judicial District, apportioned as follows:
(1) By the parish of Ascension, the sum of one thousand dollars per annum.
(2) By the parish of Assumption, the sum of one thousand dollars per annum.
(3) By the parish of St. James, the sum of one thousand dollars per annum.
C. The third and fourth assistant district attorneys for the Twenty-Third Judicial District each may be paid as compensation for their services, in addition to the annual salary paid by the state, such salary as the parish of Ascension, the municipality of Donaldsonville, the municipality of Gonzales, or the municipality of Sorrento, or any or all of them, in the discretion of the governing authority or governing authorities thereof, may pay. However, the total of any such additional compensation shall not exceed in the aggregate one thousand dollars per annum for each of them.
D. The fifth and all subsequent assistant district attorneys for the Twenty-Third Judicial District may be paid as compensation for their services, in addition to the annual salary paid by the state, such salary as the various political subdivisions in the appropriate parishes may pay.