S.C. Code Ann. § 40-29-80
A manufactured home unit bearing a label or seal indicating compliance with Section 40-29-70 is acceptable as meeting the requirements of this chapter throughout the State without further inspection fees except for final setup installation inspection fees not exceeding ten dollars and zoning and utility connection inspection fees. No setup installation regulation or standard may be enforced unless it meets the requirements of the Construction and Safety Standards Act. A copy of a setup regulation or standard other than the Federal Regulations and Standards must be registered with the board.