S.C. Code Ann. § 33-31-501: Registered office and registered agent.

Each corporation must continuously maintain in this State:

(1) a registered office with the same address as that of the registered agent; and

(2) a registered agent, who may be:

(i) an individual who resides in this State and whose office is identical with the registered office;

(ii) a domestic business or nonprofit corporation whose office is identical with the registered office; or

(iii) a foreign business or nonprofit corporation authorized to transact business in this State whose office is identical with the registered office.