S.C. Code § 34-19-110
It is unlawful for a person to use the words "safe deposit", "safety deposit", or other similar words in connection with the rental of storage space, or in the title or name under which business is done.
A person subject to the jurisdiction of the State Board of Financial Institutions, a manufacturer or dealer in safe deposit facilities or equipment, or an association, the membership of which is composed of officers or institutions subject to the jurisdiction of the board or the banking department of other states or of the United States, are exempt.
A person who violates the provisions of this section is guilty of a misdemeanor and, upon conviction, must be fined in the discretion of the court or imprisoned not more than one year, or both.
S.C. Code § 34-19-110