S.C. Code Ann. § 33-43-1005
(A) The application for registration of a foreign limited liability company is amended by filing articles of amendment with the Secretary of State signed by a person with authority to do so under the laws of the State or other jurisdiction of its formation. The articles of amendment shall set forth:
(C) A foreign limited liability company authorized to transact business in South Carolina must obtain an amended certificate of authority from the Secretary of State if it changes:
(5) from a limited liability company managed by managers to a limited liability company managed by its members;
An amended certificate of authorization must also be obtained if: