S.C. Code Ann. § 39-3-350: Testimony may be compelled; immunity of witness.

No person shall be excused from answering any questions that may be put to him or from producing any books, papers or documents on the ground that the testimony or evidence, documentary or otherwise, required of him may tend to incriminate him, but no person shall be prosecuted in any criminal action or proceedings or subjected to any penalty or forfeiture for or on account of any transaction, matter or thing concerning which he may testify or produce evidence, documentary or otherwise, before such justice, judge or referee appointed in the order for his examination or in obedience to the subpoena of the court or referee acting under such order, or either of them.