S.C. Code Ann. § 59-125-590: Fiduciaries as authorized investors.

It is lawful for all executors, administrators, guardians, and fiduciaries, all sinking fund commissions, the Public Employee Benefit Authority or State Fiscal Accountability Authority, as cotrustees of the South Carolina Retirement System, and all other governmental entities within the State to invest any monies in their hands in such bonds.