S.C. Code Ann. § 38-19-640: Repayment of more than one loan or by multiple agreement.

If there is more than one such loan or if any such loan is represented by multiple agreements, the loan agreement shall provide, in addition to any other time of repayment specified in it, that any part of the loan may be repaid at any time by selection by lot, under supervision of the director or his designee, of those loan agreements, out of all similar agreements then outstanding, to be then repaid in part or in whole.