Costs and Charges of Courts, and Compensation of Certain Officers, in St. Clair County.

The legislature may, from time to time, by general or local laws, to become effective only if approved by a majority of the qualified electors of St. Clair county voting at a referendum election held not less than three months after the final adjournment of the legislative session at which such law is enacted, fix, alter, and regulate the costs and charges of courts in St. Clair county and the fees, commissions, percentages, allowances, and salary, including the method or basis of their compensation, to be charged or received by the judge of probate, sheriff, tax assessor, tax collector, register, circuit clerk, and any other officer of St. Clair county, including the right to place any of such officers on a salary and provide for the fees charged or collected by them to be paid into the treasury from which their salaries shall be paid.