S.C. Code Ann. § 9-12-60: Amount of contributions to the QEBA.

The board shall determine the amount of benefits that cannot be provided under the retirement systems because of the limitations of Section 415 of the Internal Revenue Code, and the amount of contributions that must be made to the QEBAs as separate funds within the retirement systems. The board shall engage such actuarial services as shall be required to make these determinations. If applicable, fees for the actuary's service shall be paid by the applicable employers.