Whenever the articles of incorporation or articles of association of a foreign or alien insurance company authorized to transact business in this state are amended, the company shall, within thirty days after the effective date of the amendment, file with the director a copy thereof duly authenticated by the proper officer of the state or country under the laws of which the company is organized. The filing of the copy shall not of itself enlarge the authority of the company in the transaction of business in this state, nor authorize the company to transact business in this state under any other name than the name set forth in its certificate of authority.
§ 375.851, RSMo