S.C. Code § 33-49-1240
Upon such approval by the members or stockholders of such corporation, articles of conversion in the form approved by such members or stockholders shall be executed and acknowledged on behalf of such corporation by its president or vice-president, and its corporate seal shall be affixed thereto and attested by its secretary. The president or vice-president 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 trustees or directors and its members or stockholders of the proposition for the conversion of such corporation into a cooperative and such articles of conversion were duly complied with. Such articles of conversion and affidavit shall be submitted to the Secretary of State for filing as provided in this chapter.
S.C. Code § 33-49-1240