S.C. Code § 40-6-80
For the purpose of an investigation or proceeding under this chapter, the commission or its designated agent may administer oaths and upon its own motion or upon request of any party, shall subpoena witnesses, compel their attendance, take evidence, and require the production of any matter which is relevant to the investigation, including the existence, description, nature, custody, condition, and location of any books, documents, or other tangible items and the identity and location of persons having knowledge of relevant facts or any other matter reasonably calculated to lead to the discovery of material evidence. Upon failure to obey a subpoena or to answer questions propounded by the commission or its designated agent and upon reasonable notice to all persons affected, the department may apply to the Administrative Law Court for an order compelling compliance.
S.C. Code § 40-6-80