S.C. Code Ann. § 40-27-20: Junk required to be kept for certain period of time and open for inspection.

A person or entity shall keep each article of junk purchased other than junk that consists of nonferrous metals, as defined by Section 16-17-680, and vehicles for a period of seventy-two hours following the purchase and shall keep the junk open to the inspection of all persons. A person or entity buying junk that consists of nonferrous metals, as defined by Section 16-17-680, is subject to the provisions of Section 16-17-680. A person or entity buying junk that consists of vehicles is subject to the provisions of Sections 56-5-5670 and 56-5-5945.