(a)(1) The State Treasurer shall invest surplus money of the Fund in any security in which a savings bank may invest under State law.(2) If the State Treasurer invests in a certificate of deposit, it shall: (ii) be issued by: 1. a bank located and authorized to do business in the State;2. a national banking association located in the State; or3. a trust company located and authorized to do business in the State; and(iii) be secured in full by a pledge of a direct obligation of the State or United States.(b) If sale of a security in which money of the Fund is invested is in the best interest of the Fund, the State Treasurer may sell the security.