Upon receiving the approval required by section 302A.613, articles of merger or exchange shall be prepared that contain:
(a) the plan of merger or exchange; and
(b) a statement that the plan has been approved by each constituent organization pursuant to this chapter.
The articles of merger or exchange shall be signed on behalf of each constituent organization and filed with the secretary of state.
The secretary of state shall issue a certificate of merger to the surviving organization or its legal representative and a certificate of exchange to the acquiring organization or its legal representative.