South Carolina Code of Regulations — Chapter 117 (Revenue)
S.C. Code Regs. 117-311.4 — Railroad Companies-Machines
Machines and machinery when sold to or used by railroad companies in maintaining, repairing, or
reconditioning their equipment are subject to the sales or use tax, whichever may apply. The machine
exemption is not construed as applying to machines or machinery purchased for use by railroad
companies in maintenance operations.
Source: official text