S.C. Code Ann. § 12-16-530
(A) A tax in an amount computed as provided in this section is imposed upon the transfer of real property and tangible personal property having an actual situs in this State and upon intangible personal property physically present within this State of every person who at the time of death was not a resident of the United States.
The tax is an amount computed by multiplying the federal credit by a fraction, the numerator of which is the value of that part of the gross estate over which this State has jurisdiction for estate tax purposes and the denominator of which is the decedent's gross estate taxable by the United States wherever situated.
HISTORY: 1987 Act No. 70, Section 1.