The fees of witnesses before the Commission shall be the same as in the Superior Court. In all causes in behalf of or for the convenience or safety of the public, and in the investigation of accidents, the fees of witnesses and the expense of summoning them shall be paid by the clerk of the Commission. From time to time, the clerk shall make requisition on the Commissioner of Finance and Management for money to pay such fees and expenses, and the Commissioner of Finance and Management shall issue warrants therefor. The clerk shall quarterly, on February, May, August, and November 1, render to the Commissioner of Finance and Management an account of his or her receipts and disbursements under this section, and pay any unexpended balance into the State Treasury. (Amended 1959, No. 329 (Adj. Sess.), § 39(b), eff. March 1, 1961; 1973, No. 193 (Adj. Sess.), § 3, eff. April 9, 1974; 1983, No. 195 (Adj. Sess.), § 5(b).)