S.C. Code Ann. § 39-53-90: Blind-made products must be labeled.

Any blind craftsman or any person registered with the Commission who is engaged in the manufacture or distribution of blind-made products shall be required to imprint or otherwise affix labels thereto containing the words "made or manufactured by a blind workman," or similar words, to which shall be added the name of the manufacturer, the place of manufacture and such other information as the Commission may prescribe. No blind-made products shall be sold unless the product is identified by such label or imprint. Any person may request in writing for a hearing before the Commission.