(a) The county treasurer shall report to the grand jury the amounts of fines and forfeitures received by him and to whom disbursed for the period of six months preceding the report and shall receive as his compensation 2 1/2 percent on the amounts paid out by him.

(b) Nothing in subsection (a) of this Code section shall affect the distribution of funds arising from fines and forfeitures or the compensation of county treasurers as regulated by any local law.