Missouri Constitution
Article VI - Local Government
Section 33 Certification, recordation and deposit of amendments and revised charter—judicial notice.

—Copies of any new or revised charter of the city of St. Louis or of any amendments to the present, or to any new or revised charter, with a certificate thereto appended, signed by the chief executive and authenticated by the seal of the city, setting forth the submission to and ratification thereof, by the qualified voters of the city shall be made in duplicate, one of which shall be deposited in the office of the secretary of state, and the other, after being recorded in the office of the recorder of deeds of the city, shall be deposited among the archives of the city, and thereafter all courts of this state shall take judicial notice thereof.

Source: Const. of 1875, Art. VI, Sec. 21.