(a) After a plan of merger or share exchange is approved by the shareholders, or adopted by the board of directors if shareholder approval is not required, the surviving or acquiring corporation shall deliver to the Secretary of State for filing articles of merger or share exchange setting forth:

(1) The plan of merger or share exchange;

(2) If shareholder approval was not required, a statement to that effect; and

(3) If approval of the shareholders of one or more corporations party to the merger or share exchange was required, a statement that the merger or share exchange was duly approved by the shareholders.

(b) In lieu of filing articles of merger or share exchange that set forth the plan of merger or share exchange, the surviving or acquiring corporation may file a certificate of merger or share exchange which sets forth:

(1) The name and state of incorporation of each corporation which is merging or engaging in a share exchange and, in the case of a merger, the name of the surviving corporation into which each other corporation is merging;

(2) In the case of a merger, any amendments to the articles of incorporation of the surviving corporation;

(3) That the executed plan of merger or share exchange is on file at the principal place of business of the surviving or exchanging corporation, stating the address thereof;

(4) That a copy of the plan of merger or share exchange will be furnished by the surviving or exchanging corporation, on request and without cost, to any shareholder of any corporation that is a party to the merger or whose shares are involved in the share exchange;

(5) If shareholder approval was not required, a statement to that effect; and

(6) If approval of the shareholders of one or more corporations party to the merger or share exchange was required, a statement that the merger or share exchange was duly approved by the shareholders.

(c) Unless a delayed effective date is specified, a merger or share exchange takes effect when the articles or certificate of merger or share exchange is filed.