Mo. Rev. Stat. § 376.110
Whenever the corporators have filed the declaration required by section 376.050 and also proof of the publication therein required by the affidavit of the publisher of the newspaper in which the publication was made, his foreman or clerk, with the director, the director shall submit the declaration to the attorney general of this state for examination, and if he finds it is in accordance with the provisions of sections 376.010 to 376.670, and not inconsistent with the constitution and laws of this state, and of the United States, he shall so certify and deliver it back to the director. The director shall cause the said declaration and affidavit with the certificate of the attorney general, to be recorded in a book kept for that purpose and furnish a certified copy of the same to the corporators, and also file a certified copy of the same with the secretary of state, who, upon payment to the director of revenue of the sum of seventy-five dollars, shall issue a certificate of incorporation, upon the receipt of which they become a body politic and corporate, and may proceed to organize in the manner set forth in their charter, and to open books and receive proposals and agreements for assurance and premiums for the same on deposit, and issue receipts therefor, and to keep such books open until the whole amount specified in its charter is received. It is not lawful for such company to issue policies or transact any business of any kind, except as aforesaid, until it fully complies with the requirements of sections 376.120, 376.130 and 376.290.
§ 376.110, RSMo