S.C. Code § 8-23-20
The Board of Directors of the South Carolina Public Employee Benefit Authority shall establish such rules and regulations as it deems necessary to implement and administer the Deferred Compensation Program. The board shall make such administrative appointments and contracts as are necessary to carry out the purpose and intent of this chapter and in the administration of account assets. For purposes of administering this program, an individual account shall be maintained in the name of each employee.
The board shall select, through competitive bidding and contracts, plans for purchase of fixed and variable annuities, savings, mutual funds, insurance, and such other investments as the board may approve which are not in conflict with the State Constitution and with the advice and approval of the State Treasurer.
Costs of administration may be paid from the interest earnings of the funds accrued as a result of deposits or as an assessment against each account.
S.C. Code § 8-23-20