S.C. Code Ann. § 38-90-530
(A) Assets of the SPFC held in trust to secure obligations under the SPFC contract must at all times be held in:
(D) The provisions for withdrawal by the counterparty of assets from the trust must be clean and unconditional, subject only to the following requirements:
(F) The trust agreement must provide for the trustee to:
(K)
(1) Notwithstanding the provisions of subsection (D)(3) and (4), or of Section 38-90-755(C)(5), when a trust agreement is established in conjunction with a SPFC contract, then the trust agreement or SPFC contract, or both, may provide that the counterparty shall undertake to use and apply any amounts drawn upon the trust account, without diminution because of the insolvency of the counterparty or the SPFC, only for one or more of the following purposes: