S.C. Code Ann. § 40-26-30
Applicability of chapter.
The provisions of this chapter do not apply to: (A) a person employed by the State of South Carolina or any political subdivision of the State as a code enforcement official when acting within the scope of that employment; (B) a person inspecting a commercial structure exclusively for the use of a bank, savings and loan association, or credit union, unless otherwise required by federal law or regulation.