S.C. Code Ann. § 60-2-20
Notwithstanding any other provision of law, the South Carolina State Library shall be the official state depository of all state publications, with the responsibility for organizing such publications and for providing bibliographic control over them and shall distribute state publications to all libraries participating in a depository system established by it.
The State Library shall also forward such publications to and receive such publications from out-of-state libraries, departments and agencies with whom the State Library has implemented an agreement to exchange such publications. The provisions of this section shall not affect the duties of either the Legislative Council or the Code Commissioner as provided for by law.