In addition to any court costs or fees now or hereafter authorized in Lawrence County, an additional court cost of twenty-five dollars ($25) shall be charged and collected in each drug case charged under Article 5, commencing with Section 13A-12-20, of Chapter 12 of Title 13A, by the clerks of the circuit, district, and municipal courts for the county. The additional amount collected by the clerk of the court shall be remitted monthly to the Lawrence County Commission to be used for the enforcement of drug laws in Lawrence County.