S.C. Code Ann. § 44-63-75
(A) Social security numbers, or the alien identification numbers assigned to resident aliens who do not have social security numbers, must be included in the forms prescribed by the state registrar for:
HISTORY: 1994 Act No. 513, Section 5; 1997 Act No. 71, Section 10; 1999 Act No. 100, Part II, Section 105.