Mo. Rev. Stat. § 379.620
Upon receiving the certificate and authorization aforesaid, the board of directors shall, by resolution, accept the same, and shall file with the secretary of state a copy of said articles of association and of the certificate and authorization of said director, and the corporate existence shall date from the time of filing said copies of such articles and a certificate by the secretary of state, under the seal of the state, that said corporation has been duly organized, shall be taken by all courts of this state as evidence of the corporate existence of such corporation. They shall also, at the time of filing said articles, pay into the state treasury the fee required of new companies on filing articles of corporation. If a new board of directors is designated in the articles of association, they shall at once enter upon the performance of their duties. The board of directors designated in the articles of association shall thereupon make the necessary changes in the stock and business of the company to conform to the articles of association and the general insurance statutes of this state, and shall thereupon notify the director of the department of commerce and insurance of the fact that the company is prepared to continue operations under the general insurance statutes and articles of association aforesaid.
§ 379.620, RSMo