S.C. Code Ann. § 36-9-409
(a) A term in a letter of credit or a rule of law, statute, regulation, custom, or practice applicable to the letter of credit which prohibits, restricts, or requires the consent of an applicant, issuer, or nominated person to a beneficiary's assignment of or creation of a security interest in a letter-of-credit right is ineffective to the extent that the term or rule of law, statute, regulation, custom, or practice:
(b) To the extent that a term in a letter of credit is ineffective under subsection (a) but would be effective under law other than this chapter or a custom or practice applicable to the letter of credit, to the transfer of a right to draw or otherwise demand performance under the letter of credit, or to the assignment of a right to proceeds of the letter of credit, the creation, attachment, or perfection of a security interest in the letter-of-credit right:
HISTORY: 2001 Act No. 67, Section 12. "Applicant" [Section 36-5-102(a)(2) 1995 Revision] "Beneficiary" [Section 36-5-102(a)(3) 1995 Revision] Section 36-5-103(1)(d) "Letter of credit" [Section 36-5-102(a)(10) 1995 Revision] Section 36-5-103(1)(a) "Letter-of-credit right" Section 36-9-102(a)(51) "Issuer" [Section 36-5-102(a)(11) 1995 Revision] Section 36-5-103(1)(c) "Nominated person" [Section 36-5-102(a)(11) 1995 Revision] "Security interest" Section 36-1-201(37) [see now Section 36-1-203] "Transferee beneficiary" [Section 36-5-102(a)(3) 1995 Revision] See Section 36-5-116