205 ILCS 205/8006

The executed merger agreement together with copies of the resolutions of the members or stockholders of each merging depository institution approving it, certified by the president or vice president, and attested to by the secretary of the savings bank, shall be filed with the Secretary. The Secretary shall then issue to the continuing savings bank a certificate of merger, setting forth the name of each merging depository institution, the name of the continuing savings bank, and the articles of incorporation of the continuing savings bank. The merger takes effect upon the issuance of the certificate of merger.