S.C. Code Ann. § 32-11-30

An affidavit executed by the attorney in fact or agent setting forth that he has not or had not at the time of doing any act pursuant to the power of attorney received actual knowledge or actual notice of the death of the principal or notice of any facts indicating his death shall, in the absence of fraud, be conclusive proof of the absence of knowledge or notice by such agent of the death of the principal at such time. If the exercise of the power requires the execution and delivery of any instrument which is recordable under the laws of the State such affidavit shall likewise be recordable.