S.C. Code Ann. § 36-9-329
The following rules govern priority among conflicting security interests in the same letter-of-credit right:
HISTORY: 2001 Act No. 67, Section 12. "Letter-of-credit right" Section 36-9-102(a)(51) "Proceeds of a letter of credit" See Section 36-5-116(2) "Secured party" Section 36-9-102(a)(72) "Security interest" Section 36-1-201(37) [see now Section 36-1-203] "Supporting obligation" Section 36-9-102(a)(77)