Mississippi Code Title 81. Banks and Financial Institutions § 81-12-33

(1) The commissioner shall file one (1) signed copy of such certificate of approval and of the certificate of incorporation with the Secretary of State. The commissioner shall endorse upon the two (2) copies of the petition for certificate of incorporation filed with him such certificate of approval and return the duplicate original and a copy of the certificate of incorporation to the association, addressed to the chairman of the incorporators, and shall retain the original petition for certificate of incorporation and a copy of the certificate of incorporation in the permanent files of his office. He shall return one (1) copy of the approved bylaws to the association, addressed to the chairman of the incorporators, and retain in the permanent files of his office the original signed copy of the approved bylaws. The petition for certificate of incorporation, the certificate of approval of incorporation, the certificate of incorporation, and the bylaws shall not be filed or recorded in any other state or county office. The failure of the commissioner to file, return or retain any such document as above provided shall not affect the validity of the incorporation of any association.

(2) The corporate existence of an association shall begin on the date the commissioner issues the certificate of incorporation of the association.