S.C. Code Ann. § 33-44-205: Signing of records.

(a) Except as otherwise provided in this chapter, a record to be filed by or on behalf of a limited liability company in the office of the Secretary of State must be signed in the name of the company by a:

(1) manager of a manager-managed company;

(2) member of a member-managed company;

(3) person organizing the company, if the company has not been formed; or

(4) fiduciary, if the company is in the hands of a receiver, trustee, or other court-appointed fiduciary.

(b) A record signed under subsection (a) must state adjacent to the signature the name and capacity of the signer.

(c) Any person may sign a record to be filed under subsection (a) by an attorney-in-fact. Powers of attorney relating to the signing of records to be filed under subsection (a) by an attorney-in-fact need not be filed in the office of the Secretary of State as evidence of authority by the person filing but must be retained by the company.