R.I. Gen. Laws § 30-10-11: Maintenance of state arsenal in Providence.

The general assembly shall annually appropriate such a sum as it may deem necessary, out of any money in the treasury not otherwise appropriated, for the purpose of heating, lighting, and maintaining the state arsenal on Benefit Street in the city of Providence occupied by the Providence marine corps of artillery, so long as these premises are also occupied by the Sons of Union Veterans of the Civil War, or the United Spanish War Veterans, or the associated or auxiliary organizations of any of them, as quarters for the different posts camps, or headquarters for the department of Rhode Island, and so long as these premises are also occupied by the first light infantry regiment, Rhode Island militia, or the first light infantry veterans, or any organization auxiliary to them, or so long as any portion of these premises is also occupied for any other purpose under the authority of the laws of this state.