List of Currently Adopted Editions of Codes and Standards (pdf) Effective July 1, 2016
Effective Dates and Editions of Adopted Codes (pdf) Effective July 1, 2016
International Code Council (ICC) Codes   Effective July 1, 2016
Title 6, Chapter 9, of the SC Code of Laws requires Counties and Municipalities to enforce the SC Building Code Council Statewide Modifications within their jurisdictions.
The same law provides exceptions [in §6-9-110] for certain state and school district projects. See the following links for more information on those subjects:
Office of School Facilities [South Carolina Department of Education]