All expenditures of the Commission, within the limits of its appropriations, including the necessary traveling expenses of the Commissioners, executive director, secretary and other persons engaged in the service of the Commission shall, prior to April 1, 1975, be paid by the State Treasurer out of the general funds of the State on proper voucher therefor approved by the Chairman of the Commission or, at the direction of the Chairman, by the executive director. On and after April 1, 1975, said expenditures of the Commission, within the limits of its appropriations, shall be paid by the State Treasurer out of the Delaware Public Utility Regulatory Revolving Fund on proper voucher therefor approved by the Chairman of the Commission or, at the direction of the Chairman, by the executive director.
26 Del. C. § 111