S.C. Code Ann. § 33-46-830

Upon such approval by the members or shareholders of such corporation, the articles of conversion in the form approved by the board of directors must be executed and acknowledged on behalf of such corporation by the director carrying out the duties generally of the president or vice president, and its corporate seal must be affixed thereto and attested by the director carrying out the duties of secretary. The director executing such articles of conversion on behalf of such corporation shall also make and annex thereto an affidavit stating that the provisions of this article with respect to the approval of its directors and its members or shareholders of the proposition for the conversion of such corporation into a telephone cooperative and such articles of conversion were complied with. Such articles of conversion and affidavit must be submitted to the Secretary of State for filing as provided in this chapter.