S.C. Code Ann. § 14-25-175

Upon the adjournment of the court, the clerk having the custody of the names drawn under any method in this chapter shall take the names or numbers of the jurors who appeared and shall return these ballots or numbers to Compartment "B" of the jury box, and the ballots or numbers corresponding to the names of the jurors who were unable to appear or who were excused by the municipal judge shall be returned to Compartment "A" of the jury box. When all names or numbers in Compartment "A" have been exhausted, the names or numbers from Compartment "B" shall be returned to Compartment "A" and thereafter juries shall continue to be drawn therefrom in the manner provided herein.