29 Del. C. § 2705: Custody and investment of state funds.

(a) The State Treasurer shall have custody of money belonging to the State, including, but not limited to, money in the School Fund. All money belonging to the State, except money deposited in any pension fund of the State, and received by the State Treasurer, shall be invested daily.

(b) Money belonging to the State shall continue to be invested until required by the State Treasurer to make disbursements authorized by law.