S.C. Code Ann. § 33-43-201
Two or more persons may form a limited liability company by signing articles of organization and delivering the signed articles to the Secretary of State for filing. The persons who form a limited liability company must be members of the limited liability company at the time of formation.
A copy of the articles of organization which is filed with the Secretary of State and which is stamped "filed" and marked with the filing date is conclusive evidence that all conditions precedent required to be performed by the organizers have been satisfied and that the limited liability company has been legally organized under Sections 33-43-101 through 33-43-1409.