The board of supervisors of any county having a population in excess of two hundred thousand (200,000) according to the federal decennial census of 1970 shall contribute a sum equal to Four Thousand Five Hundred Dollars ($4,500.00) per year, payable monthly, to supplement the salary of the district attorney of that county, provided that he serves full time; and shall contribute a sum equal to Three Thousand Dollars ($3,000.00) per year, payable monthly, per full-time legal assistant to supplement the salary of each full-time legal assistant to the district attorney of that county.
The board of supervisors of any Class 1 county bordering on the Gulf of Mexico and having two (2) judicial districts shall contribute a sum equal to Four Thousand Five Hundred Dollars ($4,500.00) per year, payable monthly, to supplement the salary of the district attorney of that county provided that he serves full time; and shall contribute a sum equal to Five Thousand Dollars ($5,000.00) per year, payable monthly, to supplement the salary of each full-time legal assistant to the district attorney of that county.