S.C. Code Ann. § 36-8-306
(a) A person who guarantees a signature of an indorser of a security certificate warrants that at the time of signing:
(b) A person who guarantees a signature of the originator of an instruction warrants that at the time of signing:
(c) A person who specially guarantees the signature of an originator of an instruction makes the warranties of a signature guarantor under subsection (b) and also warrants that at the time the instruction is presented to the issuer:
(h) The warranties under this section are made to a person taking or dealing with the security in reliance on the guaranty, and the guarantor is liable to the person for loss resulting from their breach. An indorser or originator of an instruction whose signature, indorsement, or instruction has been guaranteed is liable to a guarantor for any loss suffered by the guarantor as a result of breach of the warranties of the guarantor.
PART 4. REGISTRATION