S.C. Code Ann. § 43-5-75

The director or his authorized agent may, after signed authorization from the applicant or recipient, request and receive from any bank or other financial institution doing business in South Carolina information with respect to the transaction with any such institution of any applicant for or recipient of any form of aid or relief under this article and it shall be the duty of the officers and employees of such institution to furnish the information within ten working days to the department pursuant to the written request of the director.