S.C. Code § 22-5-350
All papers pertaining to the court of general sessions shall be returned, with a report of the case with the names and addresses of all material witnesses and a synopsis of all testimony, by each magistrate to the clerk of court within fifteen days after the arrest in each case has been made and a preliminary hearing had or waived, except such as may have been issued or received by the magistrate within fifteen days preceding the convening of any court and except when preliminary hearings have been demanded and no opportunity had for such hearing, in which cases magistrates shall return such papers and report thereon to the clerk of court, as directed in this section, not later than the first day of such term. Every such paper shall be endorsed legibly with the title of the case, nature of the offense, kind of proceeding and the magistrate's name.
S.C. Code § 22-5-350