S.C. Code Ann. § 9-12-30

The board shall administer the QEBAs. The board has full discretionary authority to determine all questions arising in connection with the QEBAs, including its interpretation and any factual questions arising under the QEBAs. Further, the board has full authority to make modifications to the benefits payable under the QEBAs as may be necessary to maintain the QEBAs' qualification under Section 415(m) of the Internal Revenue Code.