Current applicable codes are:
2015 International Residential Code (with modifications)
2015 International Building Code (with modifications)
2015 International Fire Prevention Code (with modifications)
2015 International Plumbing Code
2015 International Fuel Gas Code (with modifications)
2015 International Mechanical Code
2014 National Electrical Code (with modifications)
2009 International Energy Conservation Code
2009 ICC/ANSI A117.1 American National Standard
2015 International Existing Building Code
City of Rock Hill Zoning Ordinance
The SC modifications can be found at:
http://www.llr.state.sc.us/POL/BCC/PDFfiles/2015%20Code%20Modifications.pdf