The articles of incorporation may be amended at the time of restatement of the articles of incorporation, in the following manner:
(1) The procedure required by this chapter for effecting an amendment to the articles of incorporation may be carried out concurrently with the procedure for restatement so that the proposed amendment and the restated articles may be presented to the same meetings of directors and shareholders;
(2) Such amendment and restatement, upon adoption by that percentage vote of shareholders required for that particular amendment, and on being set forth in a single certificate of amendment and restatement, in the manner required by this chapter, may then be filed in the office of the secretary of state and shall not become effective unless and until such amendment has become effective in the manner provided in this chapter.