Mo. Rev. Stat. § 394.110: Bylaws to be adopted.

The original bylaws of a cooperative may be adopted by its board of directors or stockholders. Thereafter bylaws shall be adopted, amended or repealed by its members. The bylaws shall set forth the rights and duties of members and directors and may contain other provisions for the regulation and management of the affairs of the cooperative not inconsistent with this chapter or with its articles of incorporation.