R.I. Gen. Laws § 12-1.4-10: Appropriation.

The sum of one thousand dollars ($1,000) shall be annually appropriated, out of any money in the treasury not otherwise appropriated, to carry out the purposes of this chapter; and the state controller is authorized and directed to draw his or her orders upon the general treasurer for the payment of that sum, or as much of that sum as may be deemed necessary, from time to time, upon receipt by him or her of properly authenticated vouchers.