S.C. Code Ann. § 39-49-60: Unauthorized retention of marked battery of another; demand for possession.

It is unlawful for any person to retain in his possession for a longer period than ten days, without the written consent of the owner, any rental battery marked as such by the owner, as provided by Section 39-49-20. Demand must be made on any person who so retains a rental battery in his possession at least five days before a prosecution can be instituted. Proof of a registered letter having been sent to the person so offending at his last known address shall be accepted as conclusive evidence of such demand.