S.C. Code Ann. § 11-5-260: Check for payment of claim not presented for payment within two years; reissuance upon proof of nonpayment.

If a check issued by the Treasurer for the payment of a claim is not presented for payment within two years from the date of the check, the amount of the check must be credited back into the State Treasury and the check written off the books of the Treasurer. However, a check may be reissued upon satisfactory proof of nonpayment.