S.C. Code Ann. § 40-27-10
Any person buying junk shall keep a book that he shall keep open to the inspection of all persons, wherein he shall set down the name and address, city, and street of every person selling junk and an itemized statement of all junk bought from such person and the date of purchase. Any person buying junk that consists of nonferrous metals, as defined by Section 16-17-680 is subject to the provisions of Section 16-17-680.