S.C. Code Ann. § 60-4-30: Penalties.

Any person violating the provisions of Section 60-4-10 must upon conviction be fined not more than five hundred dollars or imprisoned for not more than thirty days for the first offense, must be fined not more than one thousand dollars or imprisoned for not more than sixty days for the second offense, and must be fined not more than two thousand dollars or imprisoned for not more than ninety days for the third or subsequent offense.