S.C. Code Ann. § 62-2-805
(A) For purposes of this article, tangible personal property in the joint possession or control of the decedent and the surviving spouse at the time of the decedent's death is presumed to be owned by the decedent and the decedent's spouse in joint tenancy with right of survivorship if ownership is not evidenced otherwise by a certificate of title, bill of sale, or other writing. This presumption does not apply to property: