S.C. Code Ann. § 40-63-30: License as prerequisite to practice or offer to practice; providing social work services through telephone or electronic means.

(A) No individual shall offer social work services or use the designation "Social Worker", "Licensed Baccalaureate Social Worker", "Licensed Masters Social Worker", "Licensed Independent Social Worker—Clinical Practice", "Licensed Independent Social Worker—Advanced Practice", or the initials "LBSW", "LMSW", or "LISW" or any other designation indicating licensure status or hold themselves out as practicing social work or as a Baccalaureate Social Worker, Masters Social Worker, or Independent Social Worker unless licensed in accordance with this chapter.

(B) A person providing social work services to a client in this State, through telephonic, electronic, or other means, regardless of the location of the social worker, who is not licensed or registered by this State, is practicing without a license. A social worker licensed by this State may provide services through these means to a client in this State within their appropriate scope of practice.