South Carolina Code of Laws — Title 12 (Taxation)
S.C. Code Ann. § 12-39-120 — Auditor may enter and examine buildings (except dwellings) to ascertain value
For the purpose of enabling the auditor to determine the value of any taxable personal property and other improvements, he may enter and fully examine all buildings and structures (except dwellings), of whatever kind, which are not by law expressly exempt from taxation.
Source: official text