The general treasurer with the advice of the governor shall have full power to regulate the custody and safekeeping of the permanent fund for the support of public schools, and, subject to the provisions of chapter 10 of title 35, shall keep the fund securely invested in bonds or notes of the United States, or in bonds of towns or cities within this state, or certificates of deposit, or commercial paper, or in other investments authorized by virtue of § 35-10-6; provided, that the securities in which the fund is invested may remain a part of the fund until exchanged for other securities.
R.I. Gen. Laws § 16-4-1