Mo. Rev. Stat. § 351.655
Current with changes from the 2023 Legislative Session
Whenever any notice whatever is required to be given under the provisions of this chapter or under the provisions of the articles of incorporation or bylaws of any corporation, a waiver thereof in writing signed by the person or persons entitled to such notice, whether before or after the time stated therein, shall be deemed equivalent to the giving of such notice.
§ 351.655, RSMo