Mo. Rev. Stat. § 354.440: Information to be available to enrollees.

Every health maintenance organization shall make available to its enrollees:

(1) The most recent annual statement of financial condition, including a balance sheet and summary of receipts and disbursements;

(2) A description of the organizational structure and operation of the health care plan and a summary of any material changes since the issuance of the last report;

(3) A description of services and information as to where and how to secure them; and

(4) A clear and understandable description of the health maintenance organization's method for resolving enrollee complaints.