S.C. Code Ann. § 47-21-70: Exemptions.

This chapter does not apply to, affect, or otherwise prohibit actions taken by:

(1) the Department of Agriculture, any other federal, state, or local department or agency, or an official or employee of these entities while in the exercise or performance of a power or duty imposed by law or regulation;

(2) a licensed veterinarian practicing veterinary medicine pursuant to Chapter 69, Title 40 and according to customary standards of care; or

(3) a person holding a legal interest in an animal facility, an animal from an animal facility, or other property in or on an animal facility who has an interest in the facility, animal, or other property superior to the interest held by the person incurring damages.