All amendments to the articles of incorporation of companies already organized under the laws of this state shall be approved in like manner.

A company shall file with the commissioner bylaws and subsequent amendments to such bylaws within thirty days of the adoption of such bylaws and amendments.

[C97, §1768; C24, 27, 31, 35, 39, §8646; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §508.4] 2000 Acts, ch 1023, §7