S.C. Code Ann. § 7-5-325

Any change of address submitted by an elector for registration or voting purposes as provided by Sections 7-5-320(D), 7-5-330(F)(2)(a), and 7-5-440, and any other written notification of change of address signed by an elector are considered to be given under oath. An elector convicted of fraudulently providing such change of address is guilty of violating Section 7-25-10 and, upon conviction, must be fined in the discretion of the court or imprisoned not more than three years, or both.