S.C. Code Regs. 103-9. Heating, Lighting, etc., of Coaches

On all passenger trains, or trains carrying passengers in this State, the railroad companies shall furnish safe and adequate heating appliances and lights, and shall keep the passenger coaches clean, sufficiently warm, and properly ventilated for the comfort of passengers. All passenger coaches, including closets, after reaching their destination and before being put in service for further use, must be thoroughly cleaned and disinfected.