S.C. Code Ann. § 41-33-180
Moneys may also be requisitioned from this State's account in the unemployment trust fund for the payment of benefits under any unemployment compensation, unemployment insurance or unemployment benefit law administered by a bureau, department, division, agency or instrumentality of the United States to which the Commission has made available its personnel and facilities for the taking, processing, determination and paying of claims under the authority of Section 41-29-230. But no moneys may be drawn from the unemployment trust fund for the purpose of paying benefits for or on behalf of the United States unless provision be first made by law, agreement or contract for the reimbursement thereof by the bureau, department, division, agency or instrumentality of the United States for or on behalf of which such benefits have been paid.