US lawSouth CarolinaRegulationsChapter 8 — BUILDING CODES COUNCIL8-1208S.C. Code Regs. 8-1208S.C. Code Regs. 8-1208. IRC Section R303.4 Mechanical ventilationYear: 2026Length: 10 wordsOfficial source The Building Codes Council does not adopt IRC Section R303.4.PreviousS.C. Code Regs. 8-1207NextS.C. Code Regs. 8-1209