There shall be annually appropriated for labor in the state library, including cleaning, shifting, and sorting books, such sums of money as the general assembly shall deem necessary; and the state controller is hereby authorized and directed to draw his or her orders upon the general treasurer for the payment of all sums appropriated under authority of this section, or so much thereof as may from time to time be required, upon his or her receipt of proper vouchers approved by the state librarian and the secretary of state.
R.I. Gen. Laws § 29-1-12