314.9 Contractors Equipment, Useful Life of.

The department has determined that Bulletin F of the Internal Revenue Services as revised in 1942, be used to reflect the useful life of motor vehicles, machines, machinery, tools, and other equipment and tangible personal property brought, imported, or caused to be brought into South Carolina for use in constructing, building, or repairing any building, highway, street, sidewalk, bridge, culvert, sewer, or water system, drainage or dredging system, railway system, reservoir or dam, power plant, pipe line, transmission line, tower, dock, wharf, excavation, grading or other improvement or structure, or any part thereof.