S.C. Code Ann. § 47-1-75: Immunity from civil and criminal liability.

Any person, including a person licensed to practice veterinary medicine, or an animal control officer or agent of the South Carolina Society for the Prevention of Cruelty to Animals or any society incorporated for that purpose, who in good faith and without compensation for services provided, acting without malice, recklessness, or gross negligence, renders emergency care or treatment to a domestic animal which is abandoned, ill, injured, or in distress related to an accident or disaster shall not be liable or subject to any civil or criminal liability for any injuries or harm to such animal resulting from the rendering of such care or treatment, or any act or failure to act to provide or arrange for further medical treatment or care for such animal.