S.C. Code Ann. § 40-63-50
A person is regarded as a "Licensed Baccalaureate Social Worker", "Licensed Master Social Worker", or "Licensed Independent Social Worker", within the meaning of this chapter, who meets the qualifications and requirements prescribed in this chapter and who is licensed by the Board of Social Work Examiners. It is unlawful for any person who is not qualified and licensed in the manner prescribed in this chapter to use the title "Social Worker", "Licensed Baccalaureate Social Worker", "Licensed Master Social Worker", or "Licensed Independent Social Worker", or to use the title Social Worker within any other professional title. Any person violating the provisions of this section is guilty of a misdemeanor and, upon conviction, must be fined not more than one hundred dollars or imprisoned for not more than thirty days, or both.