S.C. Code Ann. § 12-56-50: Department to assist in collection of account or debt by setoff of any refunds due to debtor.

Subject to the limitations contained in this chapter, the department, upon request, shall render assistance in the collection of any delinquent account or debt owing to any claimant agency by setting off any refunds due the debtor from the department by the sum certified by the claimant agency as delinquent debt.