Mississippi Code Title 83. Insurance § 83-29-13

The certificate, the charter or articles of incorporation or, if a voluntary association, the articles of association, constitution and laws of the society, and the application for membership signed by the applicant, and all amendments to each thereof shall constitute the agreement between the society and the member; and copies of the same certified by the secretary of the society, or corresponding officer, shall be received in evidence of the terms and conditions thereof. Any changes, additions, or amendments to said charter or articles of incorporation, or articles of association, if a voluntary association, constitution or laws duly made or enacted subsequent to the issuance of the benefit certificate shall bind the member and his beneficiaries, and shall govern and control the agreement in all respects the same as though such changes, additions, or amendments had been made prior to and were in force at the time of the application for membership.