S.C. Code Ann. § 38-43-450: Excess of return premium over unpaid balance and charges held in trust.

Any excess of return premium paid by the insurer to a producer, agency, or producer of record in discharge of the lien provided by this article over the amount of unpaid balance and accrued service charges must be held by the producer, agency, or producer of record in his or its fiduciary capacity and the excess must be paid to the insured within a reasonable time and in no event later than thirty days after receipt by the producer, agency, or producer of record of the return premium refunded by the insurer.